CVE-2026-79666Ech0 before 4.4.3 Missing Authorization via dashboard log endpoints
Updated under an hour ago ()
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It affects lin-snow Ech0. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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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.
- CVSS
- 6.5 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
- Weakness (CWE)
- CWE-862
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulnCheck
- NVD analysis
- Deferred
- Record last updated
- Aug 27, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
lin-snow Ech0 lin_snow:ech0 (from the name) | before 4.4.3; 4.4.3 not affected | CNA record |
References
- https://github.com/lin-snow/Ech0/security/advisories/GHSA-cp79-9mwr-wr49vendor-advisory
- https://www.vulncheck.com/advisories/ech0-before-missing-authorization-via-dashboard-log-endpointsthird-party-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.