{"id":"CVE-2025-47952","state":"PUBLISHED","title":"Traefik allows path traversal using url encoding","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.","publishedAt":"2025-05-30T03:37:12.685Z","updatedAt":"2025-05-30T12:44:38.661Z","severity":{"score":2.9,"label":"Low","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:P","source":"GitHub_M"},"assigner":"GitHub_M","products":["traefik traefik"],"affected":[{"vendor":"traefik","product":"traefik","versions":[{"version":"< 3.4.1","status":"affected"},{"version":"< 2.11.25","status":"affected"}]}],"references":["https://github.com/traefik/traefik/security/advisories/GHSA-vrch-868g-9jx5","https://github.com/traefik/traefik/commit/08d5dfee0164aa54dd44a467870042e18e8d3f00","https://github.com/traefik/traefik/releases/tag/v2.11.25","https://github.com/traefik/traefik/releases/tag/v3.4.1"],"weaknesses":["CWE-22"],"ingestedAt":"2026-10-29T20:09:23.771Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/47xxx/CVE-2025-47952.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2025-47952","state":"PUBLISHED","datePublished":"2025-05-30T03:37:12.685Z","dateUpdated":"2025-05-30T12:44:38.661Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2025-05-14T10:32:43.531Z"},"containers":{"cna":{"title":"Traefik allows path traversal using url encoding","descriptions":[{"lang":"en","value":"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."}],"affected":[{"vendor":"traefik","product":"traefik","versions":[{"version":"< 3.4.1","status":"affected"},{"version":"< 2.11.25","status":"affected"}]}],"references":[{"url":"https://github.com/traefik/traefik/security/advisories/GHSA-vrch-868g-9jx5","name":"https://github.com/traefik/traefik/security/advisories/GHSA-vrch-868g-9jx5","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/traefik/traefik/commit/08d5dfee0164aa54dd44a467870042e18e8d3f00","name":"https://github.com/traefik/traefik/commit/08d5dfee0164aa54dd44a467870042e18e8d3f00","tags":["x_refsource_MISC"]},{"url":"https://github.com/traefik/traefik/releases/tag/v2.11.25","name":"https://github.com/traefik/traefik/releases/tag/v2.11.25","tags":["x_refsource_MISC"]},{"url":"https://github.com/traefik/traefik/releases/tag/v3.4.1","name":"https://github.com/traefik/traefik/releases/tag/v3.4.1","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"PRESENT","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"LOW","vulnIntegrityImpact":"LOW","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":2.9,"baseSeverity":"LOW","vectorString":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:P","version":"4.0"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-22","lang":"en","description":"CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2025-05-30T03:37:12.685Z"},"source":{"advisory":"GHSA-vrch-868g-9jx5","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-05-30T12:44:30.966786Z","id":"CVE-2025-47952","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-05-30T12:44:38.661Z"}}]}}}