ALPINE-CVE-2026-86414

ALPINE-CVE-2026-86414

This page contains facts from public vulnerability sources. Check the original advisory before updating.

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:`.

Fix available

Published

2026-10-20T21:17:19.947Z

Updated

2026-10-25T16:30:03.587749599Z

Stack: system

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