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CVE-2026-33638

Ech0 authenticated user-list exposed data via public `/api/allusers` endpoint PUBLISHED

Description (CNA)

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 (CNA)

Vendor / productVersions
lin-snow / Ech0affected < 4.2.0

CWE

CWE-862

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.