SB2026033036 - Incorrect Comparison in Parse Server
Published: March 30, 2026
Security Bulletin ID
SB2026033036
CSH Severity
Medium
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) Incorrect Comparison (CVE-ID: CVE-2026-34574)
CWE-ID: CWE-697 - Incorrect Comparison
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due to incorrect comparison. A remote user can send a null value in a PUT request to the session update endpoint and bypass the immutability guard on session fields.
Remediation
Install update from vendor's website.