{"api_version":"1","generated_at":"2026-10-20T22:33:52+00:00","cve":"CVE-2026-94265","urls":{"html":"https://cve.report/CVE-2026-94265","api":"https://cve.report/api/cve/CVE-2026-94265.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-94265","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-94265"},"summary":{"title":"Authorization: Negotiate sent to foreign origin","description":"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`.","state":"PUBLISHED","assigner":"curl","published_at":"2026-10-20 21:17:22","updated_at":"2026-10-20 21:17:22"},"problem_types":["CWE-200 Exposure of Sensitive Information to an Unauthorized Actor"],"metrics":[],"references":[{"url":"https://curl.se/docs/CVE-2026-94265.json","name":"https://curl.se/docs/CVE-2026-94265.json","refsource":"2499f714-1537-4658-8207-48ae4bb9eae9","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://curl.se/docs/CVE-2026-94265.html","name":"https://curl.se/docs/CVE-2026-94265.html","refsource":"2499f714-1537-4658-8207-48ae4bb9eae9","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://hackerone.com/reports/4040551","name":"https://hackerone.com/reports/4040551","refsource":"2499f714-1537-4658-8207-48ae4bb9eae9","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-94265","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-94265","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"curl","product":"curl","version":"affected 8.22.0 8.22.0 semver","platforms":[]},{"source":"CNA","vendor":"curl","product":"curl","version":"affected 8.21.0 8.21.0 semver","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[{"source":"CNA","value":"Joshua Rogers (Aisle Research)","lang":"en"},{"source":"CNA","value":"Joshua Rogers (Aisle Research)","lang":"en"}],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"curl","vendor":"curl","versions":[{"lessThanOrEqual":"8.22.0","status":"affected","version":"8.22.0","versionType":"semver"},{"lessThanOrEqual":"8.21.0","status":"affected","version":"8.21.0","versionType":"semver"}]}],"credits":[{"lang":"en","type":"finder","value":"Joshua Rogers (Aisle Research)"},{"lang":"en","type":"remediation developer","value":"Joshua Rogers (Aisle Research)"}],"descriptions":[{"lang":"en","value":"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`."}],"problemTypes":[{"descriptions":[{"description":"CWE-200 Exposure of Sensitive Information to an Unauthorized Actor","lang":"en"}]}],"providerMetadata":{"dateUpdated":"2026-10-20T20:26:18.061Z","orgId":"2499f714-1537-4658-8207-48ae4bb9eae9","shortName":"curl"},"references":[{"name":"json","url":"https://curl.se/docs/CVE-2026-94265.json"},{"name":"www","url":"https://curl.se/docs/CVE-2026-94265.html"},{"name":"issue","url":"https://hackerone.com/reports/4040551"}],"title":"Authorization: Negotiate sent to foreign origin"}},"cveMetadata":{"assignerOrgId":"2499f714-1537-4658-8207-48ae4bb9eae9","assignerShortName":"curl","cveId":"CVE-2026-94265","datePublished":"2026-10-20T20:26:18.061Z","dateReserved":"2026-09-21T09:07:44.636Z","dateUpdated":"2026-10-20T20:26:18.061Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-10-20 21:17:22","lastModifiedDate":"2026-10-20 21:17:22","problem_types":["CWE-200 Exposure of Sensitive Information to an Unauthorized Actor"],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"94265","Ordinal":"1","Title":"Authorization: Negotiate sent to foreign origin","CVE":"CVE-2026-94265","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"94265","Ordinal":"1","NoteData":"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`.","Type":"Description","Title":"Authorization: Negotiate sent to foreign origin"}]}}}