SB2026033041 - Time-of-check Time-of-use (TOCTOU) Race Condition in Parse Server
Published: March 30, 2026
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Time-of-check Time-of-use (TOCTOU) Race Condition (CVE-ID: CVE-2026-34224)
The vulnerability allows a remote user to compromise the target system.
The vulnerability exists due to a time-of-check, time-of-use (TOCTOU) race condition. A remote administrator can send concurrent login requests via the authData login endpoint and create multiple authenticated sessions.
Remediation
Install update from vendor's website.