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  5. GHSA-w8jj-cwmc-wgq2

GHSA-w8jj-cwmc-wgq2: Ech0's Missing Authorization on System Logs Allows Non-Admin Information Disclosure

April 10, 2026

The system log endpoints (GET /api/system/logs, GET /api/system/logs/stream, WS /ws/system/logs) lack authorization checks, allowing any authenticated non-admin user to read and stream all server logs. These logs contain error stack traces, internal file paths, module names, and arbitrary structured fields that facilitate reconnaissance for further attacks.

References

  • github.com/advisories/GHSA-w8jj-cwmc-wgq2
  • github.com/lin-snow/Ech0
  • github.com/lin-snow/Ech0/releases/tag/v4.4.3
  • github.com/lin-snow/Ech0/security/advisories/GHSA-w8jj-cwmc-wgq2

Code Behaviors & Features

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Affected versions

All versions before 4.4.3

Fixed versions

  • 4.4.3

Solution

Upgrade to version 4.4.3 or above.

Impact 4.3 MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Learn more about CVSS

Weakness

  • CWE-862: Missing Authorization

Source file

go/github.com/lin-snow/ech0/GHSA-w8jj-cwmc-wgq2.yml

Spotted a mistake? Edit the file on GitLab.

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