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incomplete mTLS config matching in conn reuse

cve-program · severity unknownCVSS unknownCheck source for fixed versionsKEV status unknown

cve-program · CVE-2026-8932

Published

libcurl would reuse a previously created connection even when some mTLS config related option had been changed that should have prohibited reuse. libcurl keeps previously used connections in a connection pool for subsequent transfers to reuse if one of them matches the setup. However, some TLS settings related to client certificates were left out from the configuration match checks, making them match too easily. In particular options related to the private key.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-8932

Published

curl

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "curl",
                    "product": "curl",
                    "versions": [
                        {
                            "version": "7.7.0",
                            "status": "affected",
                            "versionType": "semver",
                            "lessThan": "8.14.2"
                        },
                        {
                            "version": "8.15.0",
                            "status": "affected",
                            "versionType": "semver",
                            "lessThan": "8.16.1"
                        },
                        {
                            "version": "8.17.0",
                            "status": "affected",
                            "versionType": "semver",
                            "lessThan": "8.20.1"
                        }
                    ],
                    "defaultStatus": "unaffected"
                }

curl

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "curl",
                    "product": "curl",
                    "versions": [
                        {
                            "version": "a1d6ad26100bc493c7b04f1301b1634b7f5aa8b4",
                            "status": "affected",
                            "versionType": "git",
                            "lessThan": "7541ae569d82fb308a5e2d94916027da4fa3ba3e"
                        }
                    ],
                    "defaultStatus": "unaffected",
                    "repo": "https://github.com/curl/curl.git"
                }

curl

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "curl",
                    "product": "curl",
                    "versions": [
                        {
                            "version": "8.20.0",
                            "status": "affected"
                        },
                        {
                            "version": "8.19.0",
                            "status": "affected"
                        },
                        {
                            "version": "8.18.0",
                            "status": "affected"
                        },
                        {
                            "version": "8.17.0",
                            "status": "affected"
                        },
                        {
                            "version": "8.16.0",
                            "status": "affected"
                        },
                        {
                            "version": "8.15.0",
                            "status": "affected"
                        },
                        {
                            "version": "8.14.1",
                            "status": "affected"
                        },
                        {
                            "version": "8.14.0",
                            "status": "affected"
                        },
                        {
                            "version": "8.13.0",
                            "status": "affected"
                        },
                        {
                            "version": "8.12.1",
                            "status": "affected"
                        },
                        {
                            "version": "8.12.0",
                            "status": "affected"
                        },
                        {
                            "version": "8.11.1",
                            "status": "affected"
                        },
                        {
                            "version": "8.11.0",
                            "status": "affected"
                        },
                        {
                            "version": "8.10.1",
                            "status": "affected"
                        },
                        {
                            "version": "8.10.0",
                            "status": "affected"
                        },
                        {
                            "version": "8.9.1",
                            "status": "affected"
                        },
                        {
                            "version": "8.9.0",
                            "status": "affected"
                        },
                        {
                            "version": "8.8.0",
                            "status": "affected"
                        },
                        {
                            "version": "8.7.1",
                            "status": "affected"
                        },
                        {
                            "version": "8.7.0",
                            "status": "affected"
                        },
                        {
                            "version": "8.6.0",
                            "status": "affected"
                        },
                        {
                            "version": "8.5.0",
                            "status": "affected"
                        },
                        {
                            "version": "8.4.0",
                            "status": "affected"
                        },
                        {
                            "version": "8.3.0",
                            "status": "affected"
                        },
                        {
                            "version": "8.2.1",
                            "status": "affected"
                        },
                        {
                            "version": "8.2.0",
                            "status": "affected"
                        },
                        {
                            "version": "8.1.2",
                            "status": "affected"
                        },
                        {
                            "version": "8.1.1",
                            "status": "affected"
                        },
                        {
                            "version": "8.1.0",
                            "status": "affected"
                        },
                        {
                            "version": "8.0.1",
                            "status": "affected"
                        },
                        {
                            "version": "8.0.0",
                            "status": "affected"
                        },
                        {
                            "version": "7.88.1",
                            "status": "affected"
                        },
                        {
                            "version": "7.88.0",
                            "status": "affected"
                        },
                        {
                            "version": "7.87.0",
                            "status": "affected"
                        },
                        {
                            "version": "7.86.0",
                            "status": "affected"
                        },
                        {
                            "version": "7.85.0",
                            "status": "affected"
                        },
                        {
                            "version": "7.84.0",
                            "status": "affected"
                        },
                        {
                            "version": "7.83.1",
                            "status": "affected"
                        },
                        {
                            "version": "7.83.0",
                            "status": "affected"
                        },
                        {
                            "version": "7.82.0",
                            "status": "affected"
                        },
                        {
                            "version": "7.81.0",
                            "status": "affected"
                        },
                        {
                            "version": "7.80.0",
                            "status": "affected"
                        },
                        {
                            "version": "7.79.1",
                            "status": "affected"
                        },
                        {
                            "version": "7.79.0",
                            "status": "affected"
                        },
                        {
                            "version": "7.78.0",
                            "status": "affected"
                        },
                        {
                            "version": "7.77.0",
                            "status": "affected"
                        },
                        {
                            "version": "7.76.1",
                            "status": "affected"
                        },
                        {
                            "version": "7.76.0",
                            "status": "affected"
                        },
                        {
                            "version": "7.75.0",
                            "status": "affected"
                        },
                        {
                            "version": "7.74.0",
                            "status": "affected"
                        },
                        {
                            "version": "7.73.0",
                            "status": "affected"
                        },
                        {
                            "version": "7.72.0",
                            "status": "affected"
                        },
                        {
                            "version": "7.71.1",
                            "status": "affected"
                        },
                        {
                            "version": "7.71.0",
                            "status": "affected"
                        },
                        {
                            "version": "7.70.0",
                            "status": "affected"
                        },
                        {
                            "version": "7.69.1",
                            "status": "affected"
                        },
                        {
                            "version": "7.69.0",
                            "status": "affected"
                        },
                        {
                            "version": "7.68.0",
                            "status": "affected"
                        },
                        {
                            "version": "7.67.0",
                            "status": "affected"
                        },
                        {
                            "version": "7.66.0",
                            "status": "affected"
                        },
                        {
                            "version": "7.65.3",
                            "status": "affected"
                        },
                        {
                            "version": "7.65.2",
                            "status": "affected"
                        },
                        {
                            "version": "7.65.1",
                            "status": "affected"
                        },
                        {
                            "version": "7.65.0",
                            "status": "affected"
                        },
                        {
                            "version": "7.64.1",
                            "status": "affected"
                        },
                        {
                            "version": "7.64.0",
                            "status": "affected"
                        },
                        {
                            "version": "7.63.0",
                            "status": "affected"
                        },
                        {
                            "version": "7.62.0",
                            "status": "affected"
                        },
                        {
                            "version": "7.61.1",
                            "status": "affected"
                        },
                        {
                            "version": "7.61.0",
                            "status": "affected"
                        },
                        {
                            "version": "7.60.0",
                            "status": "affected"
                        },
                        {
                            "version": "7.59.0",
                            "status": "affected"
                        },
                        {
                            "version": "7.58.0",
                            "status": "affected"
                        },
                        {
                            "version": "7.57.0",
                            "status": "affected"
                        },
                        {
                            "version": "7.56.1",
                            "status": "affected"
                        },
                        {
                            "version": "7.56.0",
                            "status": "affected"
                        },
                        {
                            "version": "7.55.1",
                            "status": "affected"
                        },
                        {
                            "version": "7.55.0",
                            "status": "affected"
                        },
                        {
                            "version": "7.54.1",
                            "status": "affected"
                        },
                        {
                            "version": "7.54.0",
                            "status": "affected"
                        },
                        {
                            "version": "7.53.1",
                            "status": "affected"
                        },
                        {
                            "version": "7.53.0",
                            "status": "affected"
                        },
                        {
                            "version": "7.52.1",
                            "status": "affected"
                        },
                        {
                            "version": "7.52.0",
                            "status": "affected"
                        },
                        {
                            "version": "7.51.0",
                            "status": "affected"
                        },
                        {
                            "version": "7.50.3",
                            "status": "affected"
                        },
                        {
                            "version": "7.50.2",
                            "status": "affected"
                        },
                        {
                            "version": "7.50.1",
                            "status": "affected"
                        },
                        {
                            "version": "7.50.0",
                            "status": "affected"
                        },
                        {
                            "version": "7.49.1",
                            "status": "affected"
                        },
                        {
                            "version": "7.49.0",
                            "status": "affected"
                        },
                        {
                            "version": "7.48.0",
                            "status": "affected"
                        },
                        {
                            "version": "7.47.1",
                            "status": "affected"
                        },
                        {
                            "version": "7.47.0",
                            "status": "affected"
                        },
                        {
                            "version": "7.46.0",
                            "status": "affected"
                        },
                        {
                            "version": "7.45.0",
                            "status": "affected"
                        },
                        {
                            "version": "7.44.0",
                            "status": "affected"
                        },
                        {
                            "version": "7.43.0",
                            "status": "affected"
                        },
                        {
                            "version": "7.42.1",
                            "status": "affected"
                        },
                        {
                            "version": "7.42.0",
                            "status": "affected"
                        },
                        {
                            "version": "7.41.0",
                            "status": "affected"
                        },
                        {
                            "version": "7.40.0",
                            "status": "affected"
                        },
                        {
                            "version": "7.39.0",
                            "status": "affected"
                        },
                        {
                            "version": "7.38.0",
                            "status": "affected"
                        },
                        {
                            "version": "7.37.1",
                            "status": "affected"
                        },
                        {
                            "version": "7.37.0",
                            "status": "affected"
                        },
                        {
                            "version": "7.36.0",
                            "status": "affected"
                        },
                        {
                            "version": "7.35.0",
                            "status": "affected"
                        },
                        {
                            "version": "7.34.0",
                            "status": "affected"
                        },
                        {
                            "version": "7.33.0",
                            "status": "affected"
                        },
                        {
                            "version": "7.32.0",
                            "status": "affected"
                        },
                        {
                            "version": "7.31.0",
                            "status": "affected"
                        },
                        {
                            "version": "7.30.0",
                            "status": "affected"
                        },
                        {
                            "version": "7.29.0",
                            "status": "affected"
                        },
                        {
                            "version": "7.28.1",
                            "status": "affected"
                        },
                        {
                            "version": "7.28.0",
                            "status": "affected"
                        },
                        {
                            "version": "7.27.0",
                            "status": "affected"
                        },
                        {
                            "version": "7.26.0",
                            "status": "affected"
                        },
                        {
                            "version": "7.25.0",
                            "status": "affected"
                        },
                        {
                            "version": "7.24.0",
                            "status": "affected"
                        },
                        {
                            "version": "7.23.1",
                            "status": "affected"
                        },
                        {
                            "version": "7.23.0",
                            "status": "affected"
                        },
                        {
                            "version": "7.22.0",
                            "status": "affected"
                        },
                        {
                            "version": "7.21.7",
                            "status": "affected"
                        },
                        {
                            "version": "7.21.6",
                            "status": "affected"
                        },
                        {
                            "version": "7.21.5",
                            "status": "affected"
                        },
                        {
                            "version": "7.21.4",
                            "status": "affected"
                        },
                        {
                            "version": "7.21.3",
                            "status": "affected"
                        },
                        {
                            "version": "7.21.2",
                            "status": "affected"
                        },
                        {
                            "version": "7.21.1",
                            "status": "affected"
                        },
                        {
                            "version": "7.21.0",
                            "status": "affected"
                        },
                        {
                            "version": "7.20.1",
                            "status": "affected"
                        },
                        {
                            "version": "7.20.0",
                            "status": "affected"
                        },
                        {
                            "version": "7.19.7",
                            "status": "affected"
                        },
                        {
                            "version": "7.19.6",
                            "status": "affected"
                        },
                        {
                            "version": "7.19.5",
                            "status": "affected"
                        },
                        {
                            "version": "7.19.4",
                            "status": "affected"
                        },
                        {
                            "version": "7.19.3",
                            "status": "affected"
                        },
                        {
                            "version": "7.19.2",
                            "status": "affected"
                        },
                        {
                            "version": "7.19.1",
                            "status": "affected"
                        },
                        {
                            "version": "7.19.0",
                            "status": "affected"
                        },
                        {
                            "version": "7.18.2",
                            "status": "affected"
                        },
                        {
                            "version": "7.18.1",
                            "status": "affected"
                        },
                        {
                            "version": "7.18.0",
                            "status": "affected"
                        },
                        {
                            "version": "7.17.1",
                            "status": "affected"
                        },
                        {
                            "version": "7.17.0",
                            "status": "affected"
                        },
                        {
                            "version": "7.16.4",
                            "status": "affected"
                        },
                        {
                            "version": "7.16.3",
                            "status": "affected"
                        },
                        {
                            "version": "7.16.2",
                            "status": "affected"
                        },
                        {
                            "version": "7.16.1",
                            "status": "affected"
                        },
                        {
                            "version": "7.16.0",
                            "status": "affected"
                        },
                        {
                            "version": "7.15.5",
                            "status": "affected"
                        },
                        {
                            "version": "7.15.4",
                            "status": "affected"
                        },
                        {
                            "version": "7.15.3",
                            "status": "affected"
                        },
                        {
                            "version": "7.15.2",
                            "status": "affected"
                        },
                        {
                            "version": "7.15.1",
                            "status": "affected"
                        },
                        {
                            "version": "7.15.0",
                            "status": "affected"
                        },
                        {
                            "version": "7.14.1",
                            "status": "affected"
                        },
                        {
                            "version": "7.14.0",
                            "status": "affected"
                        },
                        {
                            "version": "7.13.2",
                            "status": "affected"
                        },
                        {
                            "version": "7.13.1",
                            "status": "affected"
                        },
                        {
                            "version": "7.13.0",
                            "status": "affected"
                        },
                        {
                            "version": "7.12.3",
                            "status": "affected"
                        },
                        {
                            "version": "7.12.2",
                            "status": "affected"
                        },
                        {
                            "version": "7.12.1",
                            "status": "affected"
                        },
                        {
                            "version": "7.12.0",
                            "status": "affected"
                        },
                        {
                            "version": "7.11.2",
                            "status": "affected"
                        },
                        {
                            "version": "7.11.1",
                            "status": "affected"
                        },
                        {
                            "version": "7.11.0",
                            "status": "affected"
                        },
                        {
                            "version": "7.10.8",
                            "status": "affected"
                        },
                        {
                            "version": "7.10.7",
                            "status": "affected"
                        },
                        {
                            "version": "7.10.6",
                            "status": "affected"
                        },
                        {
                            "version": "7.10.5",
                            "status": "affected"
                        },
                        {
                            "version": "7.10.4",
                            "status": "affected"
                        },
                        {
                            "version": "7.10.3",
                            "status": "affected"
                        },
                        {
                            "version": "7.10.2",
                            "status": "affected"
                        },
                        {
                            "version": "7.10.1",
                            "status": "affected"
                        },
                        {
                            "version": "7.10",
                            "status": "affected"
                        },
                        {
                            "version": "7.9.8",
                            "status": "affected"
                        },
                        {
                            "version": "7.9.7",
                            "status": "affected"
                        },
                        {
                            "version": "7.9.6",
                            "status": "affected"
                        },
                        {
                            "version": "7.9.5",
                            "status": "affected"
                        },
                        {
                            "version": "7.9.4",
                            "status": "affected"
                        },
                        {
                            "version": "7.9.3",
                            "status": "affected"
                        },
                        {
                            "version": "7.9.2",
                            "status": "affected"
                        },
                        {
                            "version": "7.9.1",
                            "status": "affected"
                        },
                        {
                            "version": "7.9",
                            "status": "affected"
                        },
                        {
                            "version": "7.8.1",
                            "status": "affected"
                        },
                        {
                            "version": "7.8",
                            "status": "affected"
                        },
                        {
                            "version": "7.7.3",
                            "status": "affected"
                        },
                        {
                            "version": "7.7.2",
                            "status": "affected"
                        },
                        {
                            "version": "7.7.1",
                            "status": "affected"
                        },
                        {
                            "version": "7.7",
                            "status": "affected"
                        }
                    ],
                    "defaultStatus": "unaffected"
                }

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