CVE-2026-79669

Medium

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.

SeverityMedium

CVSS4.3

Exploit probability—

ProductGithub.com/lin-snow/ech0

PublishedAug 25, 2026

First seenAug 25, 2026

Weakness typeCWE-862Missing authorization

How to fix

Update

github.com/lin-snow/ech04.4.3 or later

Vendor advisories

github.com/lin-snow/Ech0/security/advisories/GHSA-w8jj-cwmc-wgq2

Affected products

Product	Affected versions	Fixed in
github.com/lin-snow/ech0Go	v < 4.4.3, No range specified	4.4.3

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