cvedb.io
CVE-2026-33638
MEDIUM · CVSS 5.3
EPSS exploitation probability: 0%
Published 2026-03-26T21:17:07.467 · Last modified 2026-06-17T10:37:49.680

Summary

Ech0 is an open-source, self-hosted publishing platform for personal idea sharing. Prior to version 4.2.0, `GET /api/allusers` is mounted as a public endpoint and returns user records without authentication. This allows remote unauthenticated user enumeration and exposure of user profile metadata. A fix is available in v4.2.0.

Affected products

ech0 — ech0

Does this affect you?

Add your gear to cvedb and we'll alert you only when ech0 ships something exploited.

Check my exposure →

References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.