{"action":"Upgrade io.netty:netty-codec-http to 4.1.135.Final (4.1.x) or 4.2.15.Final (4.2.x) or later.","affected":[{"fixed":"4.2.15.Final","introduced":"4.2.0.Final"},{"fixed":"4.1.135.Final","introduced":"0"}],"component":"io.netty:netty-codec-http","cve_ids":["CVE-2026-50020"],"ecosystem":"Maven","epss":0.00232,"exploited":false,"fixed_versions":["4.2.15.Final","4.1.135.Final"],"ghsa_id":"GHSA-hvcg-qmg6-jm4c","id":"tcs_01M5N91CRXN9KN8PAZT8HEDG80","modified_at":"2026-09-10T03:50:50.025404342Z","published_at":"2026-06-15T20:46:36Z","references":["https://osv.dev/vulnerability/GHSA-hvcg-qmg6-jm4c","https://github.com/netty/netty/security/advisories/GHSA-hvcg-qmg6-jm4c","https://nvd.nist.gov/vuln/detail/CVE-2026-50020","https://github.com/netty/netty","https://github.com/netty/netty/releases/tag/netty-4.1.135.Final","https://github.com/netty/netty/releases/tag/netty-4.2.15.Final"],"severity":{"label":"medium","score":5.3},"sources":[{"source":"osv","source_id":"GHSA-hvcg-qmg6-jm4c","url":"https://osv.dev/vulnerability/GHSA-hvcg-qmg6-jm4c"}],"summary":"Netty: HttpObjectDecoder skips arbitrary initial control characters when only initial CRLF characters are permitted"}