CVE-2026-33638

CVE-2026-33638 (Ech0) : Prior to version 4.2.0, the public endpoint GET /api/allusers exposes user records without authentication, enabling remote unauthenticated user enumeration and exposure of user profile metadata. The issue is in the internal/router handling of /api/allusers. A fix is availa...

CVE-2026-33638

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. ...

CVE-2026-33638 Ech0 authenticated user-list exposed data via public `/api/allusers` endpoint

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. ...

CVE-2026-33638 Ech0 authenticated user-list exposed data via public `/api/allusers` endpoint

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. ...

Missing Authorization

Overview Affected versions of this package are vulnerable to Missing Authorization via the /api/allusers endpoint. An attacker can access sensitive user information by sending requests to this publicly accessible API endpoint. Remediation Upgrade github.com/lin-snow/ech0/internal/router to versio...

GO-2026-4838 Ech0 authenticated user-list exposed data via public `/api/allusers` endpoint in github.com/lin-snow/ech0

Ech0 authenticated user-list exposed data via public /api/allusers endpoint in github.com/lin-snow/ech0...

Ech0 security vulnerability

Ech0 is a self-hosted personal microblogging platform developed by L1nSn0w. Versions of Ech0 prior to 4.2.0 contained security vulnerabilities. These vulnerabilities stemmed from the GET /api/allusers endpoint, which returned user records without verification, potentially allowing unauthorized...