{"action":"No fix published. Pin and monitor.","affected":[{"introduced":"0","last_affected":"1.7.34"}],"component":"github.com/traefik/traefik","cve_ids":["CVE-2025-66490"],"ecosystem":"Go","epss":0.00439,"exploited":false,"fixed_versions":[],"ghsa_id":"GHSA-gm3x-23wp-hc2c","id":"tcs_01M5KFB4BW88DZN0PTH2P0TC5X","modified_at":"2026-04-16T02:14:32.835255100Z","published_at":"2025-12-08T16:42:30Z","references":["https://osv.dev/vulnerability/GHSA-gm3x-23wp-hc2c","https://github.com/traefik/traefik/security/advisories/GHSA-gm3x-23wp-hc2c","https://nvd.nist.gov/vuln/detail/CVE-2025-66490","https://github.com/traefik/traefik","https://github.com/traefik/traefik/releases/tag/v2.11.32","https://github.com/traefik/traefik/releases/tag/v3.6.4"],"severity":{"label":"medium","score":6.5},"sources":[{"source":"osv","source_id":"GHSA-gm3x-23wp-hc2c","url":"https://osv.dev/vulnerability/GHSA-gm3x-23wp-hc2c"},{"source":"nvd","source_id":"CVE-2025-66490","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-66490"}],"summary":"Path Normalization Bypass in Traefik Router + Middleware Rules"}