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CVE-2026-33539

7.2 · HIGH

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js.

Published Mar 24, 2026CWE-89EPSS 0.67%

Overview

CVE-2026-33539 is a high-severity vulnerability. It was published on March 24, 2026 and has a CVSS 3.1 base score of 7.2 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.2, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to versions 8.6.59 and 9.6.0-alpha.53, an attacker with master key access can execute arbitrary SQL statements on the PostgreSQL database by injecting SQL metacharacters into field name parameters of the aggregate $group pipeline stage or the distinct operation. This allows privilege escalation from Parse Server application-level administrator to PostgreSQL database-level access. Only Parse Server deployments using PostgreSQL are affected. MongoDB deployments are not affected. This issue has been patched in versions 8.6.59 and 9.6.0-alpha.53.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/parse-community/parse-server/commit/03249f9bf5b8783c8b848f84dab791ff0b761b8cGitHubgithub.com/parse-community/parse-server/commit/bdddab5f8b61a40cb8fc62dd895887bdd2f3838eGitHubgithub.com/parse-community/parse-server/pull/10272GitHubgithub.com/parse-community/parse-server/pull/10273GitHubgithub.com/parse-community/parse-server/security/advisories/GHSA-p2w6-rmh7-w8q3

How CyberStrike helps

Frequently asked questions

What is CVE-2026-33539?

CVE-2026-33539 is a high-severity vulnerability. It was published on March 24, 2026 and has a CVSS 3.1 base score of 7.2 (HIGH).

How severe is CVE-2026-33539?

This vulnerability has a CVSS 3.1 base score of 7.2, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2026-33539?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-33539?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-33539 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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