{"action":"Upgrade github.com/lin-snow/ech0 to 4.4.3 or later.","affected":[{"fixed":"4.4.3","introduced":"0"}],"component":"github.com/lin-snow/ech0","cve_ids":["CVE-2026-79670"],"ecosystem":"Go","epss":0.00251,"exploited":false,"fixed_versions":["4.4.3"],"ghsa_id":"GHSA-69hx-63pv-f8f4","id":"tcs_01M5KEZT8V64E3KV47VHHMFNRB","modified_at":"2026-08-27T04:10:33.767398467Z","published_at":"2026-04-10T19:50:01Z","references":["https://osv.dev/vulnerability/GHSA-69hx-63pv-f8f4","https://github.com/lin-snow/Ech0/security/advisories/GHSA-69hx-63pv-f8f4","https://github.com/lin-snow/Ech0","https://github.com/lin-snow/Ech0/releases/tag/v4.4.3"],"severity":{"label":"medium","score":4.8},"sources":[{"source":"osv","source_id":"GHSA-69hx-63pv-f8f4","url":"https://osv.dev/vulnerability/GHSA-69hx-63pv-f8f4"}],"summary":"Ech0 has Stored XSS via SVG Upload and Content-Type Validation Bypass in File Upload"}