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Vulnerabilities

Vulnerability · CVE-2025-32431

Traefik (pronounced traffic) is an HTTP reverse proxy and load balancer.

Published Apr 21, 2025 · catalog updated Apr 21, 2025 · Traefik (pronounced traffic) is

Check if you run it

No confirmed exploitation is on record for CVE-2025-32431. EPSS is 0.93%. Act only if a listed version of Traefik (pronounced traffic) is is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (Traefik (pronounced traffic) is).
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
High8.8
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.93%
Remediation
Version ranges on file
Affected products
vendor traefik traefik < 2.11.24

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 rule to the matcher to

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor traefik traefik < 2.11.24< 2.11.24

How to fix CVE-2025-32431

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-32431. EPSS is 0.93%. Act only if a listed version of Traefik (pronounced traffic) is is installed.

Which versions are affected?

Compare what you have installed with traefik traefik < 2.11.24 < 2.11.24. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.93%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Apr 21, 2025 · EUVD

    Detected

    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

  2. Apr 21, 2025 · EUVD

    Updated

    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

Sources

  • CVE.orgVulnerability recordCVE-2025-32431

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-32431

    30-day exploitation probability 0.9%

    first.org
  • EUVDVulnerability recordEUVD-2025-12231

    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

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.