CVE-2026-82657

EUVD-2026-68243
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
VulnCheckCNA
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
admidioadmidio
𝑥
< 5.0.12
CNA
Common Weakness Enumeration
References
https://github.com/Admidio/admidio/security/advisories/GHSA-mg9h-42f8-2pmm
https://www.vulncheck.com/advisories/admidio-before-5.0.12-authentication-bypass-via-rss-feeds