{"id":"GHSA-3wqc-mwfx-672p","title":"Traefik affected by Go oauth2/jws Improper Validation of Syntactic Correctness of Input vulnerability","summary":"Traefik affected by Go oauth2/jws Improper Validation of Syntactic Correctness of Input vulnerability","severity":"high","cvss":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","vendor":"traefik","product":"github.com/traefik/traefik/v3","ecosystem":"go","affected":["github.com/traefik/traefik/v3 < 3.3.6","github.com/traefik/traefik/v2 < 2.11.24","github.com/traefik/traefik/v3 >= 3.4.0-rc1, < 3.4.0-rc2"],"patched":["github.com/traefik/traefik/v3 3.3.6","github.com/traefik/traefik/v2 2.11.24","github.com/traefik/traefik/v3 3.4.0-rc2"],"published":"2025-04-18","updated":"2026-09-10","sourceUpdated":"2026-09-10T03:50:56.941519741Z","source":"OSV","sourceUrl":"https://osv.dev/vulnerability/GHSA-3wqc-mwfx-672p","references":[{"url":"https://github.com/traefik/traefik/security/advisories/GHSA-3wqc-mwfx-672p"},{"url":"https://github.com/traefik/traefik"},{"url":"https://github.com/traefik/traefik/releases/tag/v2.11.24"},{"url":"https://github.com/traefik/traefik/releases/tag/v3.3.6"},{"url":"https://github.com/traefik/traefik/releases/tag/v3.4.0-rc2"},{"url":"https://security.snyk.io/vuln/SNYK-CHAINGUARDLATEST-TRAEFIK33-9403297"}],"tags":["osv","go"],"ingestedAt":"2026-09-12T03:13:01.750Z","slug":"GHSA-3wqc-mwfx-672p","body":"## Overview\n\n### Summary\nWe have encountered a security vulnerability being reported by our scanners for Traefik 2.11.22.\n- https://security.snyk.io/vuln/SNYK-CHAINGUARDLATEST-TRAEFIK33-9403297\n\n### Details\nIt seems to target oauth2/jws library.\n\n### PoC\nNo steps to replicate this vulnerability\n\n### Impact\nWe have a strict control on security and we always try to stay up-to-date with the fixes received for third-party solutions.\n\n## Patches\n\n- https://github.com/traefik/traefik/releases/tag/v2.11.24\n- https://github.com/traefik/traefik/releases/tag/v3.3.6\n- https://github.com/traefik/traefik/releases/tag/v3.4.0-rc2\n\n## Affected packages\n\n- `github.com/traefik/traefik/v3 < 3.3.6`\n- `github.com/traefik/traefik/v2 < 2.11.24`\n- `github.com/traefik/traefik/v3 >= 3.4.0-rc1, < 3.4.0-rc2`\n\n## Remediation\n\nUpgrade to a patched release:\n\n- `github.com/traefik/traefik/v3 3.3.6`\n- `github.com/traefik/traefik/v2 2.11.24`\n- `github.com/traefik/traefik/v3 3.4.0-rc2`","depth":"twilight","depthScore":41,"depthScoreParts":{"impact":41.3,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}