{"id":"CVE-2026-87862","revision":null,"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":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. Missing entries do not establish absence of exploitation.","generation":"2026-10-24T10:27:30.8908525+00:00","complete":true,"records":1756,"lastAttemptAt":"2026-10-24T10:27:30.8908525+00:00","lastSuccessAt":"2026-10-24T10:27:31.1285633+00:00","error":null,"lastVerifiedAt":"2026-10-24T10:27:31.1285641+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0},{"source":"cve-program","scope":"Official CVE Program baseline and cumulative hourly delta; all vendors, published and rejected records","generation":"cve-9b3cad78792c7367da03684feab05819ddebc4d137048bdbbdabdbb4d2879391-c6a8234687801ee57ab2aeb77d20947f334a6cc2941ea8b25213d5a7dcebf0ce","complete":true,"records":413884,"lastAttemptAt":"2026-10-24T10:27:30.7016219+00:00","lastSuccessAt":"2026-10-24T10:27:30.6836858+00:00","error":null,"lastVerifiedAt":"2026-10-24T10:27:30.7016219+00:00","snapshotPublishedAt":"2026-10-24T10:24:24+00:00","importing":false,"stagedRecords":0},{"source":"first-epss:nuget","scope":"FIRST EPSS for explicit CVE aliases in the collected public NuGet archive. Not a global EPSS backfill.","generation":"2026-10-24T10:27:30.8908525+00:00","complete":true,"records":1093,"lastAttemptAt":"2026-10-24T10:27:30.8908525+00:00","lastSuccessAt":"2026-10-24T10:27:31.3689689+00:00","error":null,"lastVerifiedAt":"2026-10-24T10:27:31.3689698+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0},{"source":"osv:NuGet","scope":"Complete OSV NuGet ecosystem archive, including GitHub Advisory Database records; NuGet version matching only","generation":"nuget-16ad89dfea13ab9e9b0108e63a759d63bd4559cc68b58491107d62ee35bbbaf2","complete":true,"records":1965,"lastAttemptAt":"2026-10-24T10:27:30.7587662+00:00","lastSuccessAt":"2026-10-23T16:01:26.4487605+00:00","error":null,"lastVerifiedAt":"2026-10-24T10:27:30.7587662+00:00","snapshotPublishedAt":"2026-10-21T12:18:07+00:00","importing":false,"stagedRecords":0}]}