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Traefik: ForwardAuth middleware leaks X-Forwarded-Port spoofing via untrusted X-Forwarded-Proto when trustForwardHeader=false
Traefik: ForwardAuth middleware leaks X-Forwarded-Port spoofing via untrusted X-Forwarded-Proto when trustForwardHeader=false
Affected packages
- github.com/traefik/traefik
- github.com/traefik/traefik/v2
- github.com/traefik/traefik/v3
Exploit signal
- Known exploited (CISA KEV)
- No
- EPSS score
- —
- EPSS percentile
- —
EPSS is the probability a CVE is exploited in the wild; percentile is its rank among all CVEs.
Sources
- https://github.com/traefik/traefik/security/advisories/GHSA-3q9r-p662-5j8m
- https://nvd.nist.gov/vuln/detail/CVE-2026-54764
- https://github.com/traefik/traefik/pull/13344
- https://github.com/traefik/traefik/commit/7ae92d8c2c10ac04ef5a03df0ed5019ce0f44b2d
- https://github.com/traefik/traefik
- https://github.com/traefik/traefik/releases/tag/v2.11.51
- https://github.com/traefik/traefik/releases/tag/v3.6.22
- https://github.com/traefik/traefik/releases/tag/v3.7.6
Structured record: https://osv.dev/vulnerability/GHSA-3q9r-p662-5j8m
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