SB2026033041 - Time-of-check Time-of-use (TOCTOU) Race Condition in Parse Server



SB2026033041 - Time-of-check Time-of-use (TOCTOU) Race Condition in Parse Server

Published: March 30, 2026

Security Bulletin ID SB2026033041
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Low 100%
  • 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.