{"action":"Upgrade github.com/labstack/echo/v4 to 4.16.1 or later.","affected":[{"fixed":"4.16.1","introduced":"4.15.0"}],"component":"github.com/labstack/echo/v4","cve_ids":[],"ecosystem":"Go","exploited":false,"fixed_versions":["4.16.1"],"ghsa_id":"GHSA-9969-6676-49h5","id":"tcs_01M5NAST8PN79FPBY880Z5FMT2","modified_at":"2026-10-23T21:00:05.235977221Z","published_at":"2026-10-23T20:50:17Z","references":["https://osv.dev/vulnerability/GHSA-9969-6676-49h5","https://github.com/labstack/echo/security/advisories/GHSA-9969-6676-49h5","https://github.com/labstack/echo/commit/1855061e572ae9dab727c811d8382f266bfbaaec","https://github.com/labstack/echo/commit/3fb0ba7e17645bb65611e2a08875d0a2f65c421f","https://github.com/labstack/echo","https://github.com/labstack/echo/releases/tag/v4.16.1","https://github.com/labstack/echo/releases/tag/v5.4.1"],"severity":{"label":"high"},"sources":[{"source":"osv","source_id":"GHSA-9969-6676-49h5","url":"https://osv.dev/vulnerability/GHSA-9969-6676-49h5"}],"summary":"Echo: WebSocket proxy can retain connections and handlers after client disconnect"}