CVE-2026-82657
Admidio before 5.0.12 Authentication Bypass via RSS feeds
- State
- Published
- Severity
- 8.7 High
- Published
- Aug 30, 2026
- Updated
- Aug 31, 2026
- Reserved
- Aug 30, 2026
Description
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 8.7 High | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N | VulnCheck |
| 3.1 | 7.5 High | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N | VulnCheck |
Weaknesses
- CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
Affected Products
| Product | Versions |
|---|---|
admidioAdmidio |
|
References
- GitHub Security Advisory (GHSA-mg9h-42f8-2pmm)vendor-advisory
- VulnCheck Advisory: Admidio before 5.0.12 Authentication Bypass via RSS feedsthird-party-advisory
Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.