Admidio before 5.0.12 Authentication Bypass via RSS feeds
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-200.
Summary
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
- Fix · CNA admidio (Admidio) Fixed in 5.0.12
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
admidio 5.0.12
4 records Highest priority Priority HIGH 2 HIGH, 1 MEDIUM, 1 LOW
Other records, highest priority first
- TI-2026-56993 Admidio before 5.0.12 SQL Injection via relation_type_listPriority HIGH 77
- TI-2026-56996 Admidio before 5.0.12 Broken Access Control via profile_function.phpPriority MEDIUM 57
- TI-2026-56994 Admidio before 5.0.12 Path Traversal via Photo ZIP DownloadPriority LOW 12
Timeline
- 2026-10-02 Threatist record created from CVE-2026-82657
- 2026-10-03 Alias added: GHSA-w236-q4gr-7x7m
References
More Admidio vulnerabilities
- TI-2026-25286 Admidio is Missing Authorization and CSRF Protection on Document and Folder Deletion CVSS 3.1CRITICAL 9.1
- TI-2026-56993 Admidio before 5.0.12 SQL Injection via relation_type_list CVSS 4.0HIGH 8.7
- TI-2024-25222 Admidio has Blind SQL Injection in ecard_send.php CVSS 3.1CRITICAL 10.0
- TI-2026-30186 Admidio: SAML Signature Validation Result Ignored — Forged AuthnRequests and LogoutRequests Processed CVSS 3.1HIGH 8.2
- TI-2024-25764 Admidio Vulnerable to RCE via Arbitrary File Upload in Message Attachment CVSS 3.1CRITICAL 9.1
- TI-2026-25247 Admidio: Unrestricted File Upload via CSRF Token Validation Bypass in Documents & Files Module CVSS 3.1HIGH 8.8
Sources
- CVE-2026-82657 · CVE Program
- CVE-2026-82657 · NVD
- FIRST EPSS
- GHSA-w236-q4gr-7x7m · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences