7.8
High
CVE-2026-35051 Traefik is an HTTP reverse proxy and load balancer
Description
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 products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| traefik 3.7 | 3.7.0-ea.1 → < 3.7.0-rc.2 | 3.7.0-rc.2 |
| traefik 3.0 | 3.0.0-beta1 → < 3.6.14 | 3.6.14 |
| traefik 2.11 | earliest → < 2.11.43 | 2.11.43 |
| Red Hat OpenShift Dev Spaces 3.28 1779786779 | earliest → < 1779786779 | 1779786779 |
References
- github.com github.com
- github.com github.com
- github.com github.com
- github.com github.com
Timeline
- Published
- Last modified
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The 80 CVEs of traefik →
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