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GO-2026-6208
Traefik: Authentication Bypass via Path Traversal in ReplacePathRegex Middleware in github.com/traefik/traefik
Quick fix
GO-2026-6208 — github.com/traefik/traefik/v2: upgrade to the fixed version with the command below.
go get github.com/traefik/traefik/v2@v2.11.52Details
Traefik: Authentication Bypass via Path Traversal in ReplacePathRegex Middleware in github.com/traefik/traefik
Are you affected?
Enter the version of the package you're using.
Affected packages
Go/github.com/traefik/traefik
Introduced in:
0No fixed version published yet for github.com/traefik/traefik (go modules). Pin to a known-safe version or switch to an alternative.
Go/github.com/traefik/traefik/v2
Introduced in:
0Fixed in: 2.11.52Fix
go get github.com/traefik/traefik/v2@v2.11.52Go/github.com/traefik/traefik/v3
Introduced in:
0Fixed in: 3.6.23Fix
go get github.com/traefik/traefik/v3@v3.6.23References
- https://github.com/traefik/traefik/security/advisories/GHSA-cxjq-mrr5-89rv[ADVISORY]
- https://nvd.nist.gov/vuln/detail/CVE-2026-65600[ADVISORY]
- https://github.com/traefik/traefik/commit/3f10dd442479530560f010167cac2947676d9b29[FIX]
- https://github.com/traefik/traefik/releases/tag/v2.11.52[WEB]
- https://github.com/traefik/traefik/releases/tag/v3.6.23[WEB]
- https://github.com/traefik/traefik/releases/tag/v3.7.7[WEB]
- https://www.vulncheck.com/advisories/traefik-before-authentication-bypass-via-replacepathregex[WEB]