{"schema":"threatline.record/2","record":{"id":"CVE-2026-94265","aliases":[],"summary":"Authorization: Negotiate sent to foreign origin","details":"When processing an HTTP redirect to a URL containing userinfo (a\n`username:password` component), curl might erroneously retain and re-transmit\nthe original host's HTTP Negotiate authentication state. Consequently, a\nmalicious server can trigger a redirect containing arbitrary userinfo to force\ncurl to send a freshly minted Kerberos ticket—generated using the ambient\nidentity of the client process to an untrusted third-party host, effectively\nbypassing the domain-scoping restrictions normally enforced by the absence of\n`--location-trusted`.","categories":["Libraries & packages"],"product":"curl","vendor":"curl","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-94265","source_modified_at":"2026-10-20T20:26:18.061Z","fetched_at":"2026-10-23T18:45:31.882637Z","product":"curl","vendor":"curl","versions":[{"version":"8.22.0","status":"affected","lessThanOrEqual":"8.22.0","versionType":"semver"},{"version":"8.21.0","status":"affected","lessThanOrEqual":"8.21.0","versionType":"semver"}],"defaultStatus":"unaffected"}],"fixed_versions":[],"cvss":null,"severity":null,"kev":{"listed":false},"epss":{"probability":0.0033,"percentile":0.24956,"score_date":"2026-10-23"},"published_at":"2026-10-20T20:26:18.061Z","modified_at":"2026-10-20T20:26:18.061Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-94265","fetched_at":"2026-10-23T18:45:31.882637Z","source_modified_at":"2026-10-20T20:26:18.061Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-94265","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://curl.se/docs/CVE-2026-94265.json"},{"source":"CVE List","url":"https://curl.se/docs/CVE-2026-94265.html"},{"source":"CVE List","url":"https://hackerone.com/reports/4040551"}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"product","confidence":"heuristic","reviewed":false},"change_timestamp":"2026-10-20T20:26:18.061Z","content_hash":"2a498867d9064fed8da4997af08d9b9d55daaded302ab2ce9013d3257ce26435"}}