Vulnerability Description
Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior 9.5.2-alpha.2 and 8.6.15, an unauthenticated attacker can exhaust Parse Server resources (CPU, memory, database connections) through crafted queries that exploit the lack of complexity limits in the REST and GraphQL APIs. All Parse Server deployments using the REST or GraphQL API are affected. This vulnerability is fixed in 9.5.2-alpha.2 and 8.6.15.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Parseplatform | Parse-Server | < 8.6.15 |
Related Weaknesses (CWE)
References
- https://github.com/parse-community/parse-server/releases/tag/8.6.15Release NotesProduct
- https://github.com/parse-community/parse-server/releases/tag/9.5.2-alpha.2Release NotesProduct
- https://github.com/parse-community/parse-server/security/advisories/GHSA-cmj3-wxPatchVendor Advisory
FAQ
What is CVE-2026-30946?
CVE-2026-30946 is a vulnerability with a CVSS score of 7.5 (HIGH). Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior 9.5.2-alpha.2 and 8.6.15, an unauthenticated attacker can exhaust Parse Server resources (...
How severe is CVE-2026-30946?
CVE-2026-30946 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-30946?
Check the references section above for vendor advisories and patch information. Affected products include: Parseplatform Parse-Server.