Go/github.com/traefik/traefik/v2 CVE-2025-66490: medium 6.5, EPSS 0.44%

Path Normalization Bypass in Traefik Router + Middleware Rules

Action: Upgrade github.com/traefik/traefik/v2 to 2.11.32 or later.

go get github.com/traefik/traefik/v2@v2.11.32

Affected

Fixed versions

Sources

• osv: GHSA-gm3x-23wp-hc2c#Go/github.com/traefik/traefik/v2
• nvd: CVE-2025-66490
• https://github.com/traefik/traefik/security/advisories/GHSA-gm3x-23wp-hc2c
• https://github.com/traefik/traefik
• https://github.com/traefik/traefik/releases/tag/v2.11.32
• https://github.com/traefik/traefik/releases/tag/v3.6.4

CVE-2025-66490 · published 2025-12-08T16:42:30Z · modified 2026-04-16T02:14:32.835255100Z · JSON