{"action":"Upgrade github.com/go-chi/chi/v5 to 5.3.0 or later.","affected":[{"fixed":"5.3.0","introduced":"0"}],"component":"github.com/go-chi/chi/v5","cve_ids":["CVE-2026-72816"],"ecosystem":"Go","epss":0.003,"exploited":false,"fixed_versions":["5.3.0"],"ghsa_id":"GHSA-rjr7-jggh-pgcp","id":"tcs_01M5KGPV9J6QWWJGXY239QW098","modified_at":"2026-08-15T05:19:15.756579600Z","published_at":"2026-07-24T18:35:55Z","references":["https://osv.dev/vulnerability/GO-2026-5777","https://github.com/go-chi/chi/security/advisories/GHSA-rjr7-jggh-pgcp","https://github.com/go-chi/chi/pull/967","https://github.com/go-chi/chi/releases/tag/v5.3.0"],"severity":{"label":"medium","score":6.5},"sources":[{"source":"osv","source_id":"GO-2026-5777","url":"https://osv.dev/vulnerability/GO-2026-5777"},{"source":"nvd","source_id":"CVE-2026-72816","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-72816"}],"summary":"Chi's RealIP Middleware allows IP spoofing via unvalidated X-Forwarded-For header in github.com/go-chi/chi"}