{"id":"GO-2026-5603","summary":"Ech0 has SSRF via DNS Resolution Bypass in Webhook URL Validation in github.com/lin-snow/ech0","details":"Ech0 has SSRF via DNS Resolution Bypass in Webhook URL Validation in github.com/lin-snow/ech0.\n\nNOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions.\n\n(If this is causing false-positive reports from vulnerability scanners, please suggest an edit to the report.)\n\nThe additional affected modules and versions are: github.com/lin-snow/ech0 before v4.4.3.","aliases":["CVE-2026-79671","GHSA-r2x7-427f-rq69"],"modified":"2026-08-27T03:55:35.939538877Z","published":"2026-06-25T22:34:34Z","database_specific":{"url":"https://pkg.go.dev/vuln/GO-2026-5603","review_status":"UNREVIEWED"},"references":[{"type":"ADVISORY","url":"https://github.com/lin-snow/Ech0/security/advisories/GHSA-r2x7-427f-rq69"},{"type":"WEB","url":"https://github.com/lin-snow/Ech0/releases/tag/v4.4.3"}],"affected":[{"package":{"name":"github.com/lin-snow/ech0","ecosystem":"Go","purl":"pkg:golang/github.com/lin-snow/ech0"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"}]}],"ecosystem_specific":{"custom_ranges":[{"events":[{"introduced":"0"},{"fixed":"4.4.3"}],"type":"ECOSYSTEM"}]},"database_specific":{"source":"https://vuln.go.dev/ID/GO-2026-5603.json"}}],"schema_version":"1.7.5"}