SB2026040747 - Incorrect authorization in Parse Server
Published: April 7, 2026
Security Bulletin ID
SB2026040747
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) Incorrect authorization (CVE-ID: CVE-2026-33527)
CWE-ID: CWE-863 - Incorrect Authorization
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a remote user to bypass the server's configured session lifetime policy.
The vulnerability exists due to incorrect authorization in the session update endpoint when handling REST API requests to update a user's own session. A remote user can overwrite server-generated session fields such as expiresAt and createdWith to bypass the server's configured session lifetime policy.
Remediation
Install update from vendor's website.