CVE-2025-32431— Traefik has a possible vulnerability with the path matchers
Quick assessment
Affected
traefik traefik
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Traefik是Traefik开源的一款开源的反向代理与负载均衡工具。 Traefik存在路径遍历漏洞，该漏洞源于使用PathPrefix、Path或PathRegex匹配器管理请求时，可能通过包含/../的URL绕过中间件链。
Possible ATT&CK Techniques 2 AI
T1071 · Application Layer Protocol T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2025-32431
Vulnerability Information
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Vulnerability Title
Traefik has a possible vulnerability with the path matchers
Source: CVE Program / CVE List V5
Vulnerability Description
Traefik (pronounced traffic) is an HTTP reverse proxy and load balancer. In versions prior to 2.11.24, 3.3.6, and 3.4.0-rc2. 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 /../ 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 2.11.24, 3.3.6, and 3.4.0-rc2. A workaround involves adding a `PathRegexp` rule to the matcher to prevent matching a route with a `/../` in the path.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:P
Source: CVE Program / CVE List V5
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: CVE Program / CVE List V5
Vulnerability Title
Traefik 路径遍历漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Traefik是Traefik开源的一款开源的反向代理与负载均衡工具。 Traefik存在路径遍历漏洞，该漏洞源于使用PathPrefix、Path或PathRegex匹配器管理请求时，可能通过包含/../的URL绕过中间件链。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2025-32431
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Patches & Fixes for CVE-2025-32431 (1)
Vendor Advisories for CVE-2025-32431 (1)
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Path Matchers Vulnerability · Advisory · traefik/traefik · GitHub x_refsource_CONFIRM
Vendor Pages for CVE-2025-32431 (3)
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Release v3.3.6 · traefik/traefik · GitHub x_refsource_MISC
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Release v2.11.24 · traefik/traefik · GitHub x_refsource_MISC
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Release v3.4.0-rc2 · traefik/traefik · GitHub x_refsource_MISC
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Same vendor: traefik
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Traefik: ForwardAuth identity spoofing via dot-form header a -
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V. Comments for CVE-2025-32431
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