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CVE-2026-56207

Apache Impala: SAML authentication bypass via forged bearer token

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

Original advisory

cve-program · CVE-2026-56207

Published

Signature of Bearer token is not verified in last step of SAML2 authentication for Impala's hs2-http interface, allowing altering user name and acting as another user. This issue affects Apache Impala: >=4.0.0. Users are recommended to upgrade to version 4.5.2, which fixes this issue.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-56207

Published

Apache Impala

Vendor product

Publisher's version information

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

{
                    "vendor": "Apache Software Foundation",
                    "product": "Apache Impala",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "4.0.0",
                            "lessThanOrEqual": "4.5.1",
                            "versionType": "semver"
                        }
                    ],
                    "defaultStatus": "unaffected"
                }

Original source record · Cite this exact observation · Complete original publisher JSON