GO-2025-3719 Traefik allows path traversal using url encoding in github.com/traefik/traefik

Traefik allows path traversal using url encoding in github.com/traefik/traefik...

Directory Traversal

Traefik is vulnerable to Directory Traversal. The vulnerability is due to insufficient path sanitization due to the ability to manipulate URLs containing /../ which can bypass middleware and access unintended backend services when using PathPrefix, Path, or PathRegex matchers...

Directory Traversal

Overview github.com/containous/traefik/pkg/server is a server package for traefik, a cloud native edge router. Affected versions of this package are vulnerable to Directory Traversal when using the PathPrefix, Path, or PathRegex route matchers. An attacker can target a backend exposed using anoth...

Directory Traversal

Overview github.com/traefik/traefik/v2/pkg/server is a server package for traefik, a cloud native edge router. Affected versions of this package are vulnerable to Directory Traversal when using the PathPrefix, Path, or PathRegex route matchers. An attacker can target a backend exposed using anoth...

Traefik allows path traversal using url encoding

Impact 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 ...

GHSA-VRCH-868G-9JX5 Traefik allows path traversal using url encoding

Impact 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 ...

PT-2025-23099 · Traefik · Traefik

Name of the Vulnerable Software and Affected Versions: Traefik versions prior to 2.11.25 Traefik versions prior to 3.4.1 Description: There is a potential issue in Traefik when managing requests using a PathPrefix, Path or PathRegex matcher. If the URL contains a URL encoded string in its path,...

traefik -- Path traversal vulnerability

The traefik project reports: 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...

CVE-2025-34026

The Versa Concerto SD-WAN orchestration platform is vulnerable to an authentication bypass in the Traefik reverse proxy configuration, allowing at attacker to access administrative endpoints. The internal Actuator endpoint can be leveraged for access to heap dumps and trace logs.This issue is kno...

CVE-2025-34027

The Versa Concerto SD-WAN orchestration platform is vulnerable to an authentication bypass in the Traefik reverse proxy configuration, allowing at attacker to access administrative endpoints. The Spack upload endpoint can be leveraged for a Time-of-Check to Time-of-Use TOCTOU write in combination...

CVE-2024-52003

Traefik pronounced traffic is an HTTP reverse proxy and load balancer. There is a vulnerability in Traefik that allows the client to provide the X-Forwarded-Prefix header from an untrusted source. This issue has been addressed in versions 2.11.14 and 3.2.1. Users are advised to upgrade. There are...

CVE-2023-47633

Traefik is an open source HTTP reverse proxy and load balancer. The traefik docker container uses 100% CPU when it serves as its own backend, which is an automatically generated route resulting from the Docker integration in the default configuration. This issue has been addressed in versions...

CVE-2023-47124

Traefik is an open source HTTP reverse proxy and load balancer. When Traefik is configured to use the HTTPChallenge to generate and renew the Let's Encrypt TLS certificates, the delay authorized to solve the challenge 50 seconds can be exploited by attackers to achieve a slowloris attack. This...

CVE-2023-47106

Traefik is an open source HTTP reverse proxy and load balancer. When a request is sent to Traefik with a URL fragment, Traefik automatically URL encodes and forwards the fragment to the backend server. This violates RFC 7230 because in the origin-form the URL should only contain the absolute path...

CVE-2021-32813

Traefik is an HTTP reverse proxy and load balancer. Prior to version 2.4.13, there exists a potential header vulnerability in Traefik's handling of the Connection header. Active exploitation of this issue is unlikely, as it requires that a removed header would lead to a privilege escalation,...

CVE-2020-9321

configurationwatcher.go in Traefik 2.x before 2.1.4 and TraefikEE 2.0.0 mishandles the purging of certificate contents from providers before logging...

CVE-2025-34026

The Versa Concerto SD-WAN orchestration platform is vulnerable to an authentication bypass in the Traefik reverse proxy configuration, allowing at attacker to access administrative endpoints. The internal Actuator endpoint can be leveraged for access to heap dumps and trace logs.This issue is kno...

CVE-2025-34027

The Versa Concerto SD-WAN orchestration platform is vulnerable to an authentication bypass in the Traefik reverse proxy configuration, allowing at attacker to access administrative endpoints. The Spack upload endpoint can be leveraged for a Time-of-Check to Time-of-Use TOCTOU write in combination...

CVE-2025-34026

The Versa Concerto SD-WAN orchestration platform is vulnerable to an authentication bypass in the Traefik reverse proxy configuration, allowing at attacker to access administrative endpoints. The internal Actuator endpoint can be leveraged for access to heap dumps and trace logs.This issue is kno...

CVE-2025-34026 Versa Concerto Actuator Authentication Bypass Information Leak

The Versa Concerto SD-WAN orchestration platform is vulnerable to an authentication bypass in the Traefik reverse proxy configuration, allowing at attacker to access administrative endpoints. The internal Actuator endpoint can be leveraged for access to heap dumps and trace logs.This issue is kno...