CVE-2026-82658

MEDIUM CVSS 4.0: 5.3 EPSS 0.30%
Updated Sep 02, 2026
PHP
Parameter Value
CVSS 5.3 (MEDIUM)
Affected Versions before 5.0.12
Fixed In 5.0.12
Type CWE-285 (Improper Authorization)
Vendor PHP
Public PoC No

Admidio versions before 5.0.12 contain a broken access control vulnerability in profile_function.php that allows authenticated low-privilege users to read another user's future role memberships. Attackers can bypass profile-level authorization by directly calling the reload_future_memberships endpoint with a victim's user UUID to disclose sensitive membership information.

Attack Parameters

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

Impact Assessment

Confidentiality
Low
Partial data leak
Integrity
None
No data modification
Availability
None
No disruption

CVSS Vector v4.0

Vulnerable Products 1

Configuration From (including) Up to (excluding)
Admidio Admidio
cpe:2.3:a:admidio:admidio:*:*:*:*:*:*:*:*
— 5.0.12