{"action":"Upgrade github.com/go-chi/chi/v5 to 5.4.0 or later.","affected":[{"fixed":"5.4.0","introduced":"0"}],"component":"github.com/go-chi/chi/v5","cve_ids":["CVE-2026-114437"],"ecosystem":"Go","epss":0.00129,"exploited":false,"fixed_versions":["5.4.0"],"ghsa_id":"GHSA-j6qf-3m9c-vwj3","id":"tcs_01M5NATFM7NXV1K7DS5N81H0QM","modified_at":"2026-10-23T21:15:03.935320289Z","published_at":"2026-10-23T20:56:46Z","references":["https://osv.dev/vulnerability/GHSA-j6qf-3m9c-vwj3","https://github.com/go-chi/chi/security/advisories/GHSA-j6qf-3m9c-vwj3","https://nvd.nist.gov/vuln/detail/CVE-2026-114437","https://github.com/go-chi/chi/pull/1214","https://github.com/go-chi/chi/commit/7f9b7448f51d28804fac98c0a17bc2a7cec1079f","https://github.com/go-chi/chi","https://github.com/go-chi/chi/releases/tag/v5.4.0","https://www.tenable.com/security/research/tra-2026-66"],"severity":{"label":"medium","score":4.8},"sources":[{"source":"osv","source_id":"GHSA-j6qf-3m9c-vwj3","url":"https://osv.dev/vulnerability/GHSA-j6qf-3m9c-vwj3"}],"summary":"chi: Client IP spoofing in ClientIPFromXFF via X-Forwarded-For"}