SQL Injection in Parse-Community Parse-Server
CVE-2026-31840
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.
Vulnerability class: SQL Injection
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.007 (53.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 53rd percentile — 53.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.007 · change: +0.003
Affected products
- Parse-Community Parse-Server — versions >= 9.0.0 < 9.6.0-alpha.2, < 8.6.28
- Parseplatform Parse-Server — versions 9.6.0
Weakness classification (CWE)
References
- github.com/parse-community/parse-server/security/advisories/GHSA-qpr4-jrj4-6f27 (Patch, Vendor Advisory)
- github.com/parse-community/parse-server/releases/tag/8.6.28 (Product, Release Notes)
- github.com/parse-community/parse-server/releases/tag/9.6.0-alpha.2 (Product, Release Notes)
Frequently asked questions
- What is CVE-2026-31840?
- CVE-2026-31840 is a critical-severity vulnerability in Parse-Community Parse-Server, classified under SQL Injection. CVSS score: 9.8/10. Published 2026-03-11.
- How severe is CVE-2026-31840?
- Critical severity. CVSS v3 base score is 9.8 out of 10.