CVE-2026-79669

Description

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.

CVSS Vector

References

• https://github.com/lin-snow/Ech0/security/advisories/GHSA-w8jj-cwmc-wgq2
• https://www.vulncheck.com/advisories/ech0-before-missing-authorization-on-system-logs
• https://github.com/lin-snow/Ech0/security/advisories/GHSA-w8jj-cwmc-wgq2