{"action":"Upgrade nodejs to 18.20.4+dfsg-1~deb12u2 or later.","affected":[{"fixed":"18.20.4+dfsg-1~deb12u2","introduced":"0"}],"component":"nodejs","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["18.20.4+dfsg-1~deb12u2"],"id":"tcs_01M5NQYXKRNJH5PA5B6R7M2B7X","modified_at":"2026-10-01T03:03:08.113996407Z","published_at":"2026-03-30T20:16:18.210Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-21710","https://security-tracker.debian.org/tracker/CVE-2026-21710"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-21710","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-21710"}],"summary":"A flaw in Node.js HTTP request handling causes an uncaught `TypeError` when a request is received with a header named `__proto__` and the application accesses `req.headersDistinct`. When this occurs,"}