CVE-2025-66491

unknown

Published 2025-12-08 · Modified 2026-04-16

CVSS v3

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CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

CVSS v2

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VIR risk

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Description

Traefik Inverted TLS Verification Logic in ingress-nginx Provider in github.com/traefik/traefik

Predictions

Exploit likelihood

30%

Patch ETA

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Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No vendor mitigations ingested yet for this CVE. The mitigation-content worker queues fetches as references arrive — check back in a few minutes, or see the references list below.

Package impact

Ecosystem	Package	Vulnerable	Fixed
Go	github.com/traefik/traefik/v3	`>=3.5.0,<3.6.3`	`3.6.3`
Go	github.com/traefik/traefik
Go	github.com/traefik/traefik/v2

References

Verify integrity in audit chain (admin only). AS-IS.