Description (CNA)
Traefik is an HTTP reverse proxy and load balancer. Prior to versions 2.11.43, 3.6.14, and 3.7.0-rc.2, there is an authentication bypass vulnerability in Traefik's ForwardAuth middleware when trustForwardHeader=false is configured and Traefik is deployed behind a trusted upstream proxy. This issue has been patched in versions 2.11.43, 3.6.14, and 3.7.0-rc.2.
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| traefik / traefik | affected < 2.11.43; affected >= 3.0.0-beta1, < 3.6.14; affected >= 3.7.0-ea.1, < 3.7.0-rc.2 |
CWE
CWE-345
References
- https://github.com/traefik/traefik/security/advisories/GHSA-6384-m2mw-rf54
- https://github.com/traefik/traefik/releases/tag/v2.11.43
- https://github.com/traefik/traefik/releases/tag/v3.6.14
- https://github.com/traefik/traefik/releases/tag/v3.7.0-rc.2
ADP enrichment
No English description supplied.
No references supplied.
A flaw was found in Traefik, an HTTP reverse proxy and load balancer. This authentication bypass vulnerability exists in Traefik's ForwardAuth middleware when the `trustForwardHeader` setting is configured as `false` and Traefik is deployed behind a trusted upstream proxy. A remote attacker could exploit this to bypass authentication, potentially gaining unauthorized access to protected resources.