Parse Server's LiveQuery bypasses CLP pointer permission enforcement

Description

Parse Server’s LiveQuery WebSocket interface does not enforce Class-Level Permission (CLP) pointer permissions (readUserFields and pointerFields).

Recommendation

Update the parse-server package to the latest compatible version. Followings are version details:

• Affected version(s): **< 8.6.53

  >= 9.0.0, < 9.6.0-alpha.42**

• Patched version(s): **8.6.53

  9.6.0-alpha.42**

References

• GHSA-fph2-r4qg-9576
• CVE-2026-33421
• CWE-863
• CAPEC-310
• OWASP 2021-A1
• OWASP 2021-A6

Related Issues

• Parse Server leaks protected fields via LiveQuery afterEvent trigger - CVE-2026-33163
• Parse Server's GraphQL WebSocket endpoint bypasses security middleware - CVE-2026-32594
• Parse Server: File metadata endpoint bypasses `beforeFind` / `afterFind` trigger authorization - CVE-2026-30850
• Parse Server has a LiveQuery protected-field guard bypass via array-like logical operator value - CVE-2026-34595

You might also like:

Exploiting Server Version Disclosure

10 Secure Coding Best Practices to Follow in Every Project

Update Cheat Sheet for Developers

Tags:

npm

parse-server