Type Confusion in Parse Server - CVE-2026-34595
Published: March 30, 2026
Vulnerability identifier: #VU124672
CSH Severity: Medium
CVSS v4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-34595
CWE-ID: CWE-843
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to gain access to sensitive information on the system.
The vulnerability exists due to a type confusion error. A remote user can bypass the protectedFields class-level permission setting on LiveQuery subscriptions.
Affected software
Parse Server
How to mitigate CVE-2026-34595
Install updates from vendor's website.
Parse Server - addressed in versions 8.6.70, 9.7.0 alpha.16