CVE-2026-31840 is a critical-severity vulnerability. AttackerView checks Parse Server sites for it with a live exploit check.
Detects Parse Server instances using PostgreSQL where the sort/order query parameter accepts dot-notation field names with unescaped single quotes in sub-field values. An attacker with the Application ID and REST API key (typically exposed in client-side code) can inject arbitrary SQL via the order parameter, enabling full database access.
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