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GHSA-c442-97qw-j6c6

MediumCVSS 5.1 / 10

Published Mar 12, 2026·Last modified Mar 14, 2026

Affected Components(0)

No affected components available

Description

Impact

An attacker with access to the master key can inject malicious SQL via crafted field names used in query constraints when Parse Server is configured with PostgreSQL as the database. The field name in a $regex query operator is passed to PostgreSQL using unparameterized string interpolation, allowing the attacker to manipulate the SQL query. While the master key controls what can be done through the Parse Server abstraction layer, this SQL injection bypasses Parse Server entirely and operates at the database level.

This vulnerability only affects Parse Server deployments using PostgreSQL.

Patches

The fix applies proper SQL identifier escaping to field names in the query handler and hardens query field name validation to reject malicious field names for all query types.

Workarounds

There is no known workaround.

References

GitHub security advisory: https://github.com/parse-community/parse-server/security/advisories/GHSA-c442-97qw-j6c6
Fix Parse Server 9: https://github.com/parse-community/parse-server/releases/tag/9.6.0-alpha.10
Fix Parse Server 8: https://github.com/parse-community/parse-server/releases/tag/8.6.36

Risk Scores

Base Score

5.1

The vulnerability can be exploited over the network without needing physical access. It is easy for an attacker to exploit this vulnerability. An attacker needs high-level or administrative privileges. No user interaction is needed for the attacker to exploit this vulnerability.

Threat Intelligence

1.2

Limited exploitation activity has been observed. Close monitoring and planned remediation are recommended.

EPSS

0.20%

The exploit probability is very low. The vulnerability is unlikely to be exploited in the next 30 days.

Exploit

Not available

We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.

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Medium severity

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