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-2025-34027

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-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...

CVE-2025-34026

Versa Concerto (SD-WAN) contains an authentication bypass in the Traefik reverse proxy configuration that guards the Spring Boot Actuator endpoints. The flaw allows an unauthenticated attacker to reach administrative endpoints, including the Actuator endpoints that can expose heap dumps and trace...

CVE-2025-34027 Versa Concerto Authentication Bypass File Write Remote Code Execution

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-2025-34027 Versa Concerto Authentication Bypass File Write Remote Code Execution

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-2025-34027

Summary of CVE-2025-34027: Versa Concerto SD-WAN exposes an authentication bypass in the Traefik reverse proxy configuration, enabling unauthorized access to administrative endpoints. In addition, the Spack upload endpoint can trigger a TOCTOU race with path loading manipulation to achieve remote...

PT-2025-22441

Name of the Vulnerable Software and Affected Versions Versa Concerto versions 12.1.2 through 12.2.0 Description The Versa Concerto SD-WAN orchestration platform contains a flaw in the Traefik reverse proxy configuration that allows an attacker to bypass authentication and access administrative...

PT-2025-22440

Name of the Vulnerable Software and Affected Versions Versa Concerto versions 12.1.2 through 12.2.0 Description The Versa Concerto SD-WAN orchestration platform has an authentication bypass issue in the Traefik reverse proxy configuration. This allows an attacker to access administrative endpoint...

Versa Concerto SD-WAN 安全漏洞

Versa Concerto SD-WAN is an easy-to-use user interface from Versa for configuring and monitoring Versa OS devices in a secure SD-WAN. A security vulnerability exists in Versa Concerto SD-WAN versions 12.1.2 through 12.2.0, which stems from an authentication bypass in the Traefik Reverse Proxy...