{"id":"CVE-2026-79669","aliases":["GHSA-w8jj-cwmc-wgq2","GO-2026-5701"],"url":"https://o3.security/vulnerability/CVE-2026-79669","summary":"Ech0 before 4.4.3 Missing Authorization on System Logs","details":"Ech0 before 4.4.3 lacks authorization checks on system log endpoints allowing any authenticated non-admin user to read and stream all server logs. Attackers can access historical logs and real-time log streams via GET /api/system/logs, GET /api/system/logs/stream, and WS /ws/system/logs to gather reconnaissance data including internal file paths, error stack traces, and application state.","published":"2026-08-25T11:33:30.826Z","modified":"2026-08-27T11:47:41.381106183Z","cvss":null,"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[{"ecosystem":"Go","name":"github.com/lin-snow/ech0","fixedVersion":"4.4.3"}],"fix":null,"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/79xxx/CVE-2026-79669.json"},{"type":"ADVISORY","url":"https://github.com/lin-snow/Ech0/security/advisories/GHSA-w8jj-cwmc-wgq2"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-79669"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/ech0-before-missing-authorization-on-system-logs"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-27T11:47:41.381106183Z"}}