{"id":"CVE-2026-94265","published":"2026-10-20T21:17:22.183","lastModified":"2026-10-22T17:21:57.293","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`.","cvssScore":null,"cvssSeverity":null,"cvssVector":null,"cwes":[],"vendors":[],"products":[],"references":[{"url":"https://curl.se/docs/CVE-2026-94265.html","tags":[]},{"url":"https://curl.se/docs/CVE-2026-94265.json","tags":[]},{"url":"https://hackerone.com/reports/4040551","tags":[]}],"exploitRefs":[],"hasPoc":false,"ai":null}