SB2026032046 - Time-of-check Time-of-use (TOCTOU) Race Condition in Parse Server
Published: March 20, 2026
Security Bulletin ID
SB2026032046
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Time-of-check Time-of-use (TOCTOU) Race Condition (CVE-ID: CVE-2026-32943)
CWE-ID: CWE-367 - Time-of-check Time-of-use (TOCTOU) Race Condition
CVSSv4: CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due to the password reset mechanism does not enforce single-use guarantees for reset tokens. A remote attacker can race the legitimate user's password reset request, causing both requests to succeed.
Remediation
Install update from vendor's website.