{"action":"No fix published. Pin and monitor.","affected":[{"introduced":"0"}],"component":"github.com/oauth2-proxy/oauth2-proxy","cve_ids":["CVE-2026-40575","CVE-2026-76835"],"ecosystem":"Go","epss":0.00477,"exploited":false,"fixed_versions":[],"ghsa_id":"GHSA-7x63-xv5r-3p2x","id":"tcs_01M5KGJVH0N8AY3QH7FGQTAQ7R","modified_at":"2026-09-25T14:25:56.584542414Z","published_at":"2026-06-25T18:43:15Z","references":["https://osv.dev/vulnerability/GO-2026-5236","https://github.com/oauth2-proxy/oauth2-proxy/security/advisories/GHSA-7x63-xv5r-3p2x","https://nvd.nist.gov/vuln/detail/CVE-2026-40575"],"severity":{"label":"critical","score":9.1},"sources":[{"source":"osv","source_id":"GO-2026-5236","url":"https://osv.dev/vulnerability/GO-2026-5236"},{"source":"nvd","source_id":"CVE-2026-40575","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-40575"}],"summary":"OAuth2 Proxy has an Authentication Bypass via X-Forwarded-Uri Header Spoofing in github.com/oauth2-proxy/oauth2-proxy"}