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.
References
| Link | Resource |
|---|---|
| https://github.com/traefik/traefik/releases/tag/v2.11.43 | Product Release Notes |
| https://github.com/traefik/traefik/releases/tag/v3.6.14 | Product Release Notes |
| https://github.com/traefik/traefik/releases/tag/v3.7.0-rc.2 | Product Release Notes |
| https://github.com/traefik/traefik/security/advisories/GHSA-6384-m2mw-rf54 | Exploit Patch Vendor Advisory |
Configurations
Configuration 1 (hide)
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History
01 May 2026, 17:45
| Type | Values Removed | Values Added |
|---|---|---|
| References | () https://github.com/traefik/traefik/releases/tag/v2.11.43 - Product, Release Notes | |
| References | () https://github.com/traefik/traefik/releases/tag/v3.6.14 - Product, Release Notes | |
| References | () https://github.com/traefik/traefik/releases/tag/v3.7.0-rc.2 - Product, Release Notes | |
| References | () https://github.com/traefik/traefik/security/advisories/GHSA-6384-m2mw-rf54 - Exploit, Patch, Vendor Advisory | |
| CPE | cpe:2.3:a:traefik:traefik:3.7.0:rc1:*:*:*:*:*:* cpe:2.3:a:traefik:traefik:*:*:*:*:*:*:*:* cpe:2.3:a:traefik:traefik:3.7.0:ea3:*:*:*:*:*:* cpe:2.3:a:traefik:traefik:3.7.0:ea2:*:*:*:*:*:* cpe:2.3:a:traefik:traefik:3.7.0:ea1:*:*:*:*:*:* |
|
| First Time |
Traefik
Traefik traefik |
|
| CVSS |
v2 : v3 : |
v2 : unknown
v3 : 10.0 |
30 Apr 2026, 21:16
| Type | Values Removed | Values Added |
|---|---|---|
| New CVE |
Information
Published : 2026-04-30 21:16
Updated : 2026-05-01 17:45
NVD link : CVE-2026-35051
Mitre link : CVE-2026-35051
CVE.ORG link : CVE-2026-35051
JSON object : View
Products Affected
traefik
- traefik
CWE
CWE-345
Insufficient Verification of Data Authenticity