CVE-2026-109329

HIGH CVSS 4.0: 8.5 EPSS 0.29%
Updated Oct 15, 2026
PHP
Parameter Value
CVSS 8.5 (HIGH)
Affected Versions before 5.0.15
Type CWE-639 (Authorization Bypass)
Vendor PHP
Public PoC No

Admidio 4.3.2 through 4.3.17 and 5.0.0 before 5.0.15 contains a broken access control vulnerability that allows role administrators to assign users to roles in other organizations. Attackers can submit crafted assign requests to members_assignment.php with a foreign role UUID to gain privileged membership, log into that organization, and edit its user profiles.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
High
Admin privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
None
No disruption

CVSS Vector v4.0

Weakness Type (CWE)