Parse Server crash via deeply nested query condition operators

Description

An unauthenticated attacker can crash the Parse Server process by sending a single request with deeply nested query condition operators. This terminates the server and denies service to all connected clients.

Recommendation

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

• Affected version(s): **< 8.6.45

  >= 9.0.0, < 9.6.0-alpha.21**

• Patched version(s): **8.6.45

  9.6.0-alpha.21**

References

• GHSA-9xp9-j92r-p88v
• CVE-2026-32944
• CWE-674
• CAPEC-310
• OWASP 2021-A6

Related Issues

• Parse Server has a protected fields bypass via logical query operators - CVE-2026-30962
• Parse Server has a query condition depth bypass via pre-validation transform pipeline - CVE-2026-33498
• Parse Server has a protected fields bypass via dot-notation in query and sort - CVE-2026-31872
• Parse Server has a SQL injection via query field name when using PostgreSQL - CVE-2026-32234

Tags:

npm

parse-server