CVE-2026-82657: Admidio

High severity, CVSS 7.5. EPSS: 0.5% chance of exploitation in the next 30 days.

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.

Affected products

• Admidio Admidio: before 5.0.12 (fixed in 5.0.12)

Published 2026-08-30. Last modified 2026-08-31.