{"action":"Upgrade github.com/oauth2-proxy/oauth2-proxy/v7 to 7.15.2 or later.","affected":[{"fixed":"7.15.2","introduced":"7.5.0"}],"component":"github.com/oauth2-proxy/oauth2-proxy/v7","cve_ids":["CVE-2026-40575","CVE-2026-76835"],"ecosystem":"Go","epss":0.00477,"exploited":false,"fixed_versions":["7.15.2"],"ghsa_id":"GHSA-7x63-xv5r-3p2x","id":"tcs_01M5KF2SNS03ZSZ1JX1TH958BH","modified_at":"2026-09-25T14:25:56.584542414Z","published_at":"2026-04-15T19:21:06Z","references":["https://osv.dev/vulnerability/GHSA-7x63-xv5r-3p2x","https://github.com/oauth2-proxy/oauth2-proxy/security/advisories/GHSA-7x63-xv5r-3p2x","https://nvd.nist.gov/vuln/detail/CVE-2026-40575","https://access.redhat.com/security/cve/CVE-2026-40575","https://bugzilla.redhat.com/show_bug.cgi?id=2460449","https://github.com/oauth2-proxy/oauth2-proxy","https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-40575.json"],"severity":{"label":"critical","score":9.1},"sources":[{"source":"osv","source_id":"GHSA-7x63-xv5r-3p2x","url":"https://osv.dev/vulnerability/GHSA-7x63-xv5r-3p2x"}],"summary":"OAuth2 Proxy has an Authentication Bypass via X-Forwarded-Uri Header Spoofing"}