{"action":"Upgrade io.netty:netty-codec-http to 4.1.136.Final (4.1.x) or 4.2.16.Final (4.2.x) or later.","affected":[{"fixed":"4.2.16.Final","introduced":"4.2.0.Final"},{"fixed":"4.1.136.Final","introduced":"0"}],"component":"io.netty:netty-codec-http","cve_ids":["CVE-2026-59921"],"ecosystem":"Maven","epss":0.00465,"exploited":false,"fixed_versions":["4.2.16.Final","4.1.136.Final"],"ghsa_id":"GHSA-gcjf-9mgh-3p7g","id":"tcs_01M5N8Y1XJ11ZAHH8S08DZSDRR","modified_at":"2026-09-10T03:50:52.172506654Z","published_at":"2026-07-22T21:52:55Z","references":["https://osv.dev/vulnerability/GHSA-gcjf-9mgh-3p7g","https://github.com/netty/netty/security/advisories/GHSA-gcjf-9mgh-3p7g","https://github.com/netty/netty","https://github.com/netty/netty/releases/tag/netty-4.1.136.Final","https://github.com/netty/netty/releases/tag/netty-4.2.16.Final"],"severity":{"label":"medium","score":5.7},"sources":[{"source":"osv","source_id":"GHSA-gcjf-9mgh-3p7g","url":"https://osv.dev/vulnerability/GHSA-gcjf-9mgh-3p7g"}],"summary":"Netty: CRLF Injection via Multipart Filename in Netty HttpPostRequestEncoder"}