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CVE-2026-86414Published

leaking host credentials to HTTP proxy

Exact source revision recorded 30 Oct 2026 12:48:55 UTC. It does not establish the source's current position. Latest evidence.

Recorded JSON

cve-program · CVE-2026-86414

Published

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:`.

Source published
20 Oct 2026 20:07:22 UTC
Source modified
30 Oct 2026 11:47:08 UTC
Observed here
30 Oct 2026 12:48:55 UTC
Source terms
CVE Program Terms of Use

Original source record · Cite this exact observation · Complete original publisher JSON

This view projects the publisher's source fields for reading; the original JSON retains additional fields and CVE enrichment containers. Attribution: cve-program · CVE Program Terms of Use. Source text is retained; field grouping and change labels are provided by ChangeIntel.

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Sources read 6 Nov 23:29 UTC · 275 of 275 readable · 273 fully read · documentation 469/469 current

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