Vulnerability Description
Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to 9.6.0-alpha.2 and 8.6.28, 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. This vulnerability only affects deployments using a PostgreSQL database. This vulnerability is fixed in 9.6.0-alpha.2 and 8.6.28.
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Parseplatform | Parse-Server | < 8.6.28 |
Related Weaknesses (CWE)
References
- https://github.com/parse-community/parse-server/releases/tag/8.6.28ProductRelease Notes
- https://github.com/parse-community/parse-server/releases/tag/9.6.0-alpha.2ProductRelease Notes
- https://github.com/parse-community/parse-server/security/advisories/GHSA-qpr4-jrPatchVendor Advisory
FAQ
What is CVE-2026-31840?
CVE-2026-31840 is a vulnerability with a CVSS score of 9.8 (CRITICAL). Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to 9.6.0-alpha.2 and 8.6.28, an attacker can use a dot-notation field name in combination ...
How severe is CVE-2026-31840?
CVE-2026-31840 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2026-31840?
Check the references section above for vendor advisories and patch information. Affected products include: Parseplatform Parse-Server.