Database/Container, Kubernetes & orchestration

Traefik: Authentication bypass in ForwardAuth and snippet-based auth middleware

CVE-2026-39858Container, Kubernetes & orchestrationcurated

Impact

Authentication bypass in ForwardAuth and snippet-based auth middleware

Who can reach it

Unauthenticated network

What to do

Rolling Traefik upgrade

References

https://nvd.nist.gov/vuln/detail/CVE-2026-39858

This entry is curated: imported from vendor advisories with machine assistance, not yet individually verified. Confirm against your vendor's advisory before acting, and report anything wrong.