{"id":"CVE-2026-87861","published":"2026-10-20T21:17:20.167","lastModified":"2026-10-22T17:21:57.293","description":"When using ambient user credentials, an HTTP request directed to one origin\nmay be dispatched over a connection previously authenticated via Negotiate for\na different origin, leaving the request's intended credentials unused.","cvssScore":null,"cvssSeverity":null,"cvssVector":null,"cwes":[],"vendors":[],"products":[],"references":[{"url":"https://curl.se/docs/CVE-2026-87861.html","tags":[]},{"url":"https://curl.se/docs/CVE-2026-87861.json","tags":[]},{"url":"https://hackerone.com/reports/3972094","tags":[]}],"exploitRefs":[],"hasPoc":false,"ai":null}