CVE-2026-111912

HIGH CVSS 4.0: 7.1 EPSS 0.18%
Updated Oct 20, 2026
Admidio
Parameter Value
CVSS 7.1 (HIGH)
Affected Versions 5.0.0 — 5.0.16
Fixed In 5.0.16
Type CWE-639 (Authorization Bypass)
Vendor Admidio
Public PoC No

Admidio from 5.0.0 before 5.0.16 contains an insecure direct object reference vulnerability in ForumService::saveTopic() that allows authenticated members to modify other users' forum topics. Attackers can replace the topic_uuid parameter in their own topic_save request, reusing their CSRF token, to overwrite the victim topic's title and first post.

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

CVSS Vector v4.0

Weakness Type (CWE)

Vulnerable Products 1

Configuration From (including) Up to (excluding)
Admidio Admidio
cpe:2.3:a:admidio:admidio:*:*:*:*:*:*:*:*
5.0.0 5.0.16