{"action":"Upgrade @fastify/reply-from to 12.6.2 or later.","affected":[{"fixed":"12.6.2","introduced":"0"}],"component":"@fastify/reply-from","cve_ids":["CVE-2026-33805"],"ecosystem":"npm","epss":0.00441,"exploited":false,"fixed_versions":["12.6.2"],"ghsa_id":"GHSA-gwhp-pf74-vj37","id":"tcs_01M5KFSN7Z3JSB8ED6R149YB56","modified_at":"2026-09-10T03:51:01.795868641Z","published_at":"2026-04-16T01:02:59Z","references":["https://osv.dev/vulnerability/GHSA-gwhp-pf74-vj37","https://github.com/fastify/fastify-reply-from/security/advisories/GHSA-gwhp-pf74-vj37","https://nvd.nist.gov/vuln/detail/CVE-2026-33805","https://cna.openjsf.org/security-advisories.html","https://github.com/fastify/fastify-reply-from"],"severity":{"label":"high","score":8.6},"sources":[{"source":"osv","source_id":"GHSA-gwhp-pf74-vj37","url":"https://osv.dev/vulnerability/GHSA-gwhp-pf74-vj37"}],"summary":"Fastify's connection header abuse enables stripping of proxy-added headers"}