{"id":"CVE-2026-87862","revision":"66a77b5e3ade4b99b2edf5988918c8dd","records":[{"revision":"66a77b5e3ade4b99b2edf5988918c8dd","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-87862","aliases":[],"title":"HSTS cache import drops longer-lived child","description":"Importing a `includeSubDomains` parent HSTS entry before a longer-lived child\nentry, silently drops the child. Consequently, when the parent expires, the\nchild's valid HSTS policy is lost, causing curl to issue unencrypted HTTP\nrequests rather than upgrading to HTTPS.","state":0,"publishedAt":"2026-10-20T20:10:37.039+00:00","modifiedAt":"2026-10-20T20:10:37.039+00:00","affected":[{"ecosystem":"Vendor product","name":"curl","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"curl\",\n                    \"product\": \"curl\",\n                    \"versions\": [\n                        {\n                            \"version\": \"8.22.0\",\n                            \"status\": \"affected\",\n                            \"lessThanOrEqual\": \"8.22.0\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"8.21.0\",\n                            \"status\": \"affected\",\n                            \"lessThanOrEqual\": \"8.21.0\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"8.20.0\",\n                            \"status\": \"affected\",\n                            \"lessThanOrEqual\": \"8.20.0\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"8.19.0\",\n                            \"status\": \"affected\",\n                            \"lessThanOrEqual\": \"8.19.0\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"8.18.0\",\n                            \"status\": \"affected\",\n                            \"lessThanOrEqual\": \"8.18.0\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"8.17.0\",\n                            \"status\": \"affected\",\n                            \"lessThanOrEqual\": \"8.17.0\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"8.16.0\",\n                            \"status\": \"affected\",\n                            \"lessThanOrEqual\": \"8.16.0\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"8.15.0\",\n                            \"status\": \"affected\",\n                            \"lessThanOrEqual\": \"8.15.0\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"8.14.1\",\n                            \"status\": \"affected\",\n                            \"lessThanOrEqual\": \"8.14.1\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"8.14.0\",\n                            \"status\": \"affected\",\n                            \"lessThanOrEqual\": \"8.14.0\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"8.13.0\",\n                            \"status\": \"affected\",\n                            \"lessThanOrEqual\": \"8.13.0\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"8.12.1\",\n                            \"status\": \"affected\",\n                            \"lessThanOrEqual\": \"8.12.1\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"8.12.0\",\n                            \"status\": \"affected\",\n                            \"lessThanOrEqual\": \"8.12.0\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"8.11.1\",\n                            \"status\": \"affected\",\n                            \"lessThanOrEqual\": \"8.11.1\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"8.11.0\",\n                            \"status\": \"affected\",\n                            \"lessThanOrEqual\": \"8.11.0\",\n                            \"versionType\": \"semver\"\n                        }\n                    ],\n                    \"defaultStatus\": \"unaffected\"\n                }"}],"metrics":[],"references":["https://curl.se/docs/CVE-2026-87862.json","https://curl.se/docs/CVE-2026-87862.html","https://hackerone.com/reports/3972357"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-87862","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-87862","identifiers":["CVE-2026-87862"]},"retained":false,"historicalAffected":[]}],"coverage":[]}