{"schema_version":"1.7.5","id":"GO-2026-5777","published":"2026-07-24T18:35:55Z","modified":"2026-08-15T05:19:15.756579600Z","aliases":["CVE-2026-72816","GHSA-rjr7-jggh-pgcp"],"related":["CGA-3x7g-jp4q-h9fr"],"summary":"Chi's RealIP Middleware allows IP spoofing via unvalidated X-Forwarded-For header in github.com/go-chi/chi","details":"Chi's RealIP Middleware allows IP spoofing via unvalidated X-Forwarded-For header in github.com/go-chi/chi","affected":[{"package":{"name":"github.com/go-chi/chi/v5","ecosystem":"Go","purl":"pkg:golang/github.com/go-chi/chi/v5"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"5.3.0"}]}],"ecosystem_specific":{"imports":[{"path":"github.com/go-chi/chi/v5/middleware","symbols":["RealIP"]}]},"database_specific":{"source":"https://vuln.go.dev/ID/GO-2026-5777.json"}}],"references":[{"type":"ADVISORY","url":"https://github.com/go-chi/chi/security/advisories/GHSA-rjr7-jggh-pgcp"},{"type":"FIX","url":"https://github.com/go-chi/chi/pull/967"},{"type":"WEB","url":"https://github.com/go-chi/chi/releases/tag/v5.3.0"}],"database_specific":{"review_status":"REVIEWED","url":"https://pkg.go.dev/vuln/GO-2026-5777"}}