Parse Server: SQL injection via dot-notation field name in PostgreSQL

Description

An attacker can use a dot-notation field name in combination with the sort query parameter to inject SQL into the PostgreSQL database through an improper escaping of sub-field values in dot-notation queries. The vulnerability may also affect queries that use dot-notation field names with the distinct and where query parameters.

Recommendation

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

• Affected version(s): **< 8.6.28

  >= 9.0.0, < 9.6.0-alpha.2**

• Patched version(s): **8.6.28

  9.6.0-alpha.2**

References

• GHSA-qpr4-jrj4-6f27
• CVE-2026-31840
• CWE-89
• CAPEC-310
• OWASP 2021-A3
• OWASP 2021-A6

Related Issues

• Parse Server vulnerable to SQL Injection via dot-notation sub-key name in `Increment` operation on PostgreSQL - CVE-2026-31871
• Parse Server has a SQL injection via query field name when using PostgreSQL - CVE-2026-32234
• Parse Server vulnerable to SQL injection via `Increment` operation on nested object field in PostgreSQL - CVE-2026-31856
• Parse Server has SQL Injection through aggregate and distinct field names in PostgreSQL adapter - CVE-2026-33539

Tags:

npm

parse-server