{"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-2026-79671"],"ecosystem":"Go","epss":0.00313,"exploited":false,"fixed_versions":["4.4.3"],"ghsa_id":"GHSA-r2x7-427f-rq69","id":"tcs_01M5KFKY0G4RTMS9YR8FFV9GT5","modified_at":"2026-08-27T03:55:35.939538877Z","published_at":"2026-04-10T19:49:48Z","references":["https://osv.dev/vulnerability/GHSA-r2x7-427f-rq69","https://github.com/lin-snow/Ech0/security/advisories/GHSA-r2x7-427f-rq69","https://github.com/lin-snow/Ech0","https://github.com/lin-snow/Ech0/releases/tag/v4.4.3"],"severity":{"label":"medium","score":5.5},"sources":[{"source":"osv","source_id":"GHSA-r2x7-427f-rq69","url":"https://osv.dev/vulnerability/GHSA-r2x7-427f-rq69"}],"summary":"Ech0 has SSRF via DNS Resolution Bypass in Webhook URL Validation"}