CVE-2026-31840
CRITICAL
GHSA-qpr4-jrj4-6f27
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Lifecycle Timeline
3Description
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.
Analysis
SQL injection in Parse Server before 9.6.0-alpha.2/8.6.28.
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Remediation
Within 24 hours: Identify and inventory all Parse Server instances and their versions in your environment; isolate affected systems from production if possible and implement network-based access controls. Within 7 days: Deploy Web Application Firewall (WAF) rules to detect and block SQL injection patterns; implement database activity monitoring and alerting; restrict database user permissions to least-privilege principles. …
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External POC / Exploit Code
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