{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-94265", "assignerOrgId": "2499f714-1537-4658-8207-48ae4bb9eae9", "state": "PUBLISHED", "assignerShortName": "curl", "dateReserved": "2026-09-21T09:07:44.636Z", "datePublished": "2026-10-20T20:26:18.061Z", "dateUpdated": "2026-10-20T20:26:18.061Z" }, "containers": { "cna": { "title": "Authorization: Negotiate sent to foreign origin", "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`." } ], "providerMetadata": { "orgId": "2499f714-1537-4658-8207-48ae4bb9eae9", "shortName": "curl", "dateUpdated": "2026-10-20T20:26:18.061Z" }, "problemTypes": [ { "descriptions": [ { "lang": "en", "description": "CWE-200 Exposure of Sensitive Information to an Unauthorized Actor" } ] } ], "affected": [ { "vendor": "curl", "product": "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" } ], "references": [ { "url": "https://curl.se/docs/CVE-2026-94265.json", "name": "json" }, { "url": "https://curl.se/docs/CVE-2026-94265.html", "name": "www" }, { "url": "https://hackerone.com/reports/4040551", "name": "issue" } ], "credits": [ { "lang": "en", "value": "Joshua Rogers (Aisle Research)", "type": "finder" }, { "lang": "en", "value": "Joshua Rogers (Aisle Research)", "type": "remediation developer" } ] } } }