Is github.com/traefik/traefik/v3 affected by CVE-2026-35051?

Go github.com/traefik/traefik/v3 is affected in >=3.7.0-ea.1 =3.0.0-beta1 <3.6.14.

Is CVE-2026-35051 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.3%.

high

CVE-2026-35051

Q: Is CVE-2026-35051 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.3%.

Go · github.com/traefik/traefik/v3 • Go · github.com/traefik/traefik/v2 • Go · github.com/traefik/traefik

Summary

Traefik's ForwardAuth trustForwardHeader=false allows spoofed X-Forwarded-Prefix to bypass authentication

Severity: high
EPSS: 0.3% (p17)
Also known as: GHSA-6384-m2mw-rf54#github.com/traefik/traefik, GHSA-6384-m2mw-rf54#github.com/traefik/traefik/v2, GHSA-6384-m2mw-rf54#github.com/traefik/traefik/v3
Published: 2026-04-24

References

Related advisories

CVE-2026-48020 — high · Go/github.com/traefik/traefik/v3
CVE-2026-40912 — high · Go/github.com/traefik/traefik/v3
CVE-2026-39858 — high · Go/github.com/traefik/traefik/v3
GHSA-46wh-3698-f2cx#github.com/traefik/traefik/v3 — high · Go/github.com/traefik/traefik/v3
GHSA-4hjq-9h5c-252j#github.com/traefik/traefik/v3 — high · Go/github.com/traefik/traefik/v3
GHSA-gv8r-9rw9-9697#github.com/traefik/traefik/v3 — high · Go/github.com/traefik/traefik/v3
CVE-2026-54761 — medium · Go/github.com/traefik/traefik/v3
CVE-2026-44774 — medium · Go/github.com/traefik/traefik/v3

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Sources: CISA KEV (public domain), OSV.dev & GitHub Advisory Database (CC-BY-4.0), FIRST EPSS, NVD/CWE (public domain). Served live from the Stateward advisory database.