Improper Authorization in Pimcore Studio Backend bundle - CVE-2026-55212
Published: June 29, 2026
Vulnerability identifier: #VU135784
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-55212
CWE-ID: CWE-285
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Pimcore
Affected software:
Pimcore Studio Backend bundle
Pimcore Studio Backend bundle
Detailed vulnerability description
The vulnerability allows a remote user to escalate privileges.
The vulnerability exists due to improper authorization in the Studio API class definition creation endpoint when handling class definition creation requests. A remote user can send a crafted request to create class definitions and escalate privileges.
The issue affects authenticated users with the standard objects permission, even though the operation should be restricted to class-management functionality.
How to mitigate CVE-2026-55212
Install security update from vendor's website.