CVE-2026-82657

HIGH CVSS 4.0: 8.7 EPSS 0.45%
Updated Aug 31, 2026
Admidio
Parameter Value
CVSS 8.7 (HIGH)
Affected Versions before 5.0.12
Fixed In 5.0.12
Type CWE-200 (Information Exposure)
Vendor Admidio
Public PoC No

Admidio before 5.0.12 fails to enforce login-only module restrictions in RSS feed endpoints for forum and announcements modules. Unauthenticated attackers can retrieve forum topics and announcements by sending GET requests to rss/forum.php or rss/announcements.php, disclosing titles, full post text, author names, and timestamps.

Attack Parameters

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

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
None
No 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:*:*:*:*:*:*:*:*
— 5.0.12