SB2026040751 - Missing Authentication for Critical Function in Parse Server
Published: April 7, 2026
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Missing Authentication for Critical Function (CVE-ID: CVE-2026-32594)
The vulnerability allows a remote attacker to disclose sensitive information and cause a denial of service.
The vulnerability exists due to missing authentication for the GraphQL WebSocket endpoint for subscriptions when handling WebSocket connections. A remote attacker can connect to the endpoint and send GraphQL operations to disclose sensitive information and cause a denial of service.
The issue also allows access to the GraphQL schema via introspection even when public introspection is disabled, and configured query complexity limits are bypassed.
Remediation
Install update from vendor's website.