CVE-2026-57481

Description

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to 9.9.1-alpha.13 and 8.6.83, a LiveQuery subscriber could receive object field values they were not authorized to read when a single save changed both an object field and the subscriber's ACL read access, because leave and enter events included the wrong object state. This issue is fixed in versions 9.9.1-alpha.13 and 8.6.83.

Weakness Type (CWE)

CWE-200 CWE-200

References

Other References

https://github.com/parse-community/parse-server/commit/c9b24cecfee76d8563019adaacbcbd78471dc41e https://github.com/parse-community/parse-server/commit/e9c85dfe40a866a55ebae3b6ae56285ac0a22e64 https://github.com/parse-community/parse-server/pull/10515 https://github.com/parse-community/parse-server/pull/10516 https://github.com/parse-community/parse-server/releases/tag/8.6.83 https://github.com/parse-community/parse-server/releases/tag/9.9.1-alpha.13 https://github.com/parse-community/parse-server/security/advisories/GHSA-97pr-9hgg-3p8r

Frequently Asked Questions

What is CVE-2026-57481? +

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to 9.9.1-alpha.13 and 8.6.83, a LiveQuery subscriber could receive object field values they were not authorized to read when a single save changed both an object field and the subscriber's ACL read access, because leave and enter events included the wrong object state. This issue is fixed in versions 9.9.1-alpha.13 and 8.6.83.

How do I check if I'm vulnerable to CVE-2026-57481? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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