{"action":"No fix published. Pin and monitor.","affected":[{"introduced":"0","last_affected":"1.5.5"}],"component":"github.com/go-chi/chi/middleware","cve_ids":["CVE-2026-72816"],"ecosystem":"Go","epss":0.003,"exploited":false,"fixed_versions":[],"ghsa_id":"GHSA-rjr7-jggh-pgcp","id":"tcs_01M5KFMTXYJMRHTMWZRVN7063C","modified_at":"2026-09-10T03:50:50.389336190Z","published_at":"2026-06-25T18:19:15Z","references":["https://osv.dev/vulnerability/GHSA-rjr7-jggh-pgcp","https://github.com/go-chi/chi/security/advisories/GHSA-rjr7-jggh-pgcp","https://github.com/go-chi/chi","https://github.com/go-chi/chi/releases/tag/v5.3.0"],"severity":{"label":"high"},"sources":[{"source":"osv","source_id":"GHSA-rjr7-jggh-pgcp","url":"https://osv.dev/vulnerability/GHSA-rjr7-jggh-pgcp"}],"summary":"chi's RealIP Middleware allows IP spoofing via unvalidated X-Forwarded-For header"}