{"id":"CVE-2026-79666","aliases":["GHSA-cp79-9mwr-wr49","GO-2026-5328"],"url":"https://o3.security/vulnerability/CVE-2026-79666","summary":"Ech0 before 4.4.3 Missing Authorization via dashboard log endpoints","details":"Ech0 before 4.4.3 fails to enforce administrator authorization on dashboard log endpoints, allowing any authenticated user to access system logs. Attackers with valid user sessions can query GET /api/system/logs and subscribe to SSE and WebSocket log streams to retrieve sensitive operational data including file paths, stack traces, and internal URLs.","published":"2026-08-25T11:33:28.747Z","modified":"2026-08-27T04:10:27.932583570Z","cvss":null,"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[{"ecosystem":"Go","name":"github.com/lin-snow/ech0","fixedVersion":"4.3.5"}],"fix":null,"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/79xxx/CVE-2026-79666.json"},{"type":"ADVISORY","url":"https://github.com/lin-snow/Ech0/security/advisories/GHSA-cp79-9mwr-wr49"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-79666"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/ech0-before-missing-authorization-via-dashboard-log-endpoints"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-27T04:10:27.932583570Z"}}