🛡️ CVE-2025-47952
🔴 CVSS 9.1 — Critical ✅ No Known Exploit CWE-22 NVD
9.1
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

Traefik (pronounced traffic) is an HTTP reverse proxy and load balancer. Prior to versions 2.11.25 and 3.4.1, there is a potential vulnerability in Traefik managing the requests using a PathPrefix, Path or PathRegex matcher. When Traefik is configured to route the requests to a backend using a matcher based on the path, if the URL contains a URL encoded string in its path, it’s possible to target a backend, exposed using another router, by-passing the middlewares chain. This issue has been patched in versions 2.11.25 and 3.4.1.

Details

Severity LOW
CVSS Score 9.1
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
CWE CWE-22
Public Exploit ✅ No
Source NVD
Published 2025-05-28
Updated 2026-06-15
Modified 2025-11-27

Affected Packages

Software From version Fixed in
github.com/traefik/traefik
github.com/traefik/traefik/v2
github.com/traefik/traefik/v3
traefik 3.0.0 3.4.1

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