CVE-2026-79666

Medium

Description

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.

SeverityMedium
CVSS6.5
Exploit probability—
ProductGithub.com/lin-snow/ech0
PublishedAug 25, 2026
First seenAug 25, 2026

How to fix

Update
  • github.com/lin-snow/ech04.3.5 or later

Affected products

ProductAffected versionsFixed in
github.com/lin-snow/ech0Gov < 4.3.5, No range specified4.3.5

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CVE-2026-79666 · Github.com/lin-snow/ech0 · Dark Radar