UNKNOWNCVSS not yet scoredVulnerability

CVE-2026-86414

An HTTP proxy can trick libcurl into sending the origin's credentials (Basic password, or a Negotiate/Kerberos ticket) to the proxy itself, by answering the `CONNECT` tunnel request with 401 `WWW-Authenticate:` instead of the expected 407 `Proxy-Authenticate:`.

Properties

Last source
FIRST EPSS
Nvd fetched at
2026-10-22T22:14:18.200859+00:00
Epss score
0.00291
Cve id
CVE-2026-86414
First seen by Signal
2026-10-21T22:34:35+00:00
Retrieved at
2026-10-22T22:17:35+00:00
Published at
2026-10-20T21:17:19.947
Last modified
2026-10-22T16:57:53.407
Epss percentile
0.20482

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CVE-2026-86414 — Ninja Signal Threat Intelligence | Ninja Signal