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GO-2026-6205
Traefik: Gateway HTTPRoute backendRef filters can leak backend context across routes sharing a Service:port in github.com/traefik/traefik
Quick fix
GO-2026-6205 — github.com/traefik/traefik/v3: upgrade to the fixed version with the command below.
go get github.com/traefik/traefik/v3@v3.7.6Details
Traefik: Gateway HTTPRoute backendRef filters can leak backend context across routes sharing a Service:port 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:
0 No 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:
0 No fixed version published yet for github.com/traefik/traefik/v2 (go modules). Pin to a known-safe version or switch to an alternative.
Go / github.com/traefik/traefik/v3
Introduced in:
3.7.0 Fixed in: 3.7.6 Fix
go get github.com/traefik/traefik/v3@v3.7.6 References
- https://github.com/traefik/traefik/security/advisories/GHSA-6p8f-p8j2-rqmv [ADVISORY]
- https://nvd.nist.gov/vuln/detail/CVE-2026-54765 [ADVISORY]
- https://github.com/traefik/traefik/commit/8aada7a7d52e4588a75386d8b86d270f6fe8d549 [FIX]
- https://github.com/traefik/traefik/pull/13367 [FIX]
- https://github.com/traefik/traefik/releases/tag/v3.7.6 [WEB]