CVE-2026-79669
Ech0 before 4.4.3 Missing Authorization on System Logs
- State
- Published
- Severity
- 5.3 Medium
- Published
- Aug 25, 2026
- Updated
- Aug 25, 2026
- Reserved
- Aug 25, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 5.3 Medium | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N | VulnCheck |
| 3.1 | 4.3 Medium | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N | VulnCheck |
Weaknesses
- CWE-862 Missing Authorization
Affected Products
| Product | Versions |
|---|---|
Ech0lin-snow |
|
References
- GitHub Security Advisory (GHSA-w8jj-cwmc-wgq2)vendor-advisory
- VulnCheck Advisory: Ech0 before 4.4.3 Missing Authorization on System Logsthird-party-advisory
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