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CVE-2025-47952

Traefik allows path traversal using url encoding

Published: May 30, 2025Updated: Nov 25, 2025 Sources: CVE List NVD GHSACWE-22
9.1CRITICAL
NVD MITRE
EPSS Score
0.8%
Top 46.4%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
OpenVAS

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:HI:HA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:NAvailability
None
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Weaknesses

CWE-22

Affected Products

Go
package-ecosystem
github.com/traefik/traefik/v3
OSS Libraries
github.com/traefik/traefik/v2
OSS Libraries
github.com/traefik/traefik
OSS Libraries
traefik
oss-projectaka traefik enterprise
traefikOn-prem
Networking Infrastructure / load-balancer-proxy

Exploitability

Official Patch Available
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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

2 techniques
Collection
Discovery
View detailed technique mapping

References

https://github.com/traefik/traefik/security/advisories/GHSA-vrch-868g-9jx5
github.com
https://github.com/traefik/traefik/commit/08d5dfee0164aa54dd44a467870042e18e8d3f00
github.com
https://github.com/traefik/traefik/releases/tag/v2.11.25
github.com
and 3 more references View all →

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