CVE-2025-66490Published

Traefik doesn't Prevent Path Normalization Bypass in Router + Middleware Rules

Exact source revision recorded 23 Oct 2026 15:48:27 UTC. It does not establish the source's current position. Latest evidence.

Recorded JSON

cve-program · CVE-2025-66490

Published

traefik

Vendor product

Original vendor version evidence · not evaluated as a NuGet range

{
                    "vendor": "traefik",
                    "product": "traefik",
                    "versions": [
                        {
                            "version": "github.com/traefik/traefik/v3  < 3.6.3",
                            "status": "affected"
                        },
                        {
                            "version": "github.com/traefik/traefik/v2 < 2.11.32",
                            "status": "affected"
                        },
                        {
                            "version": "github.com/traefik/traefik <= 1.7.34",
                            "status": "affected"
                        }
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON