Admidio before 5.0.11 contains an authentication bypass vulnerability in the forum module when configured in login-only mode. (CVE-2026-69091)
Admidio versions prior to 5.0.11 have an authentication bypass vulnerability in the forum module when it is configured in login-only mode. This flaw allows unauthenticated attackers to access forum topics and posts by exploiting improper access control checks in the module's code. The vulnerability does not affect the integrity or availability of the system but exposes confidential forum content to unauthorized users.
AI Analysis
Technical Summary
The vulnerability in Admidio before version 5.0.11 exists in the forum module's access control logic within modules/forum.php. When the forum is set to login-only mode, the code fails to properly enforce authentication requirements, allowing unauthenticated attackers to bypass login restrictions and read forum topics and posts by directly accessing the module with read-only parameters. This is classified as an authentication bypass (CWE-306) and results in unauthorized disclosure of forum content.
Potential Impact
An attacker can read sensitive forum topics and posts without authentication, leading to confidentiality breaches. There is no impact on data integrity or availability. The vulnerability allows unauthorized information disclosure but does not permit modification or denial of service.
Mitigation Recommendations
A fix is available in Admidio version 5.0.11. Users should upgrade to version 5.0.11 or later to remediate this authentication bypass vulnerability. No other mitigations are indicated by the vendor advisory or source data.
Admidio before 5.0.11 contains an authentication bypass vulnerability in the forum module when configured in login-only mode. (CVE-2026-69091)
Description
Admidio versions prior to 5.0.11 have an authentication bypass vulnerability in the forum module when it is configured in login-only mode. This flaw allows unauthenticated attackers to access forum topics and posts by exploiting improper access control checks in the module's code. The vulnerability does not affect the integrity or availability of the system but exposes confidential forum content to unauthorized users.
CVSS v3.1
Score 7.5high
Affected software
Run on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The vulnerability in Admidio before version 5.0.11 exists in the forum module's access control logic within modules/forum.php. When the forum is set to login-only mode, the code fails to properly enforce authentication requirements, allowing unauthenticated attackers to bypass login restrictions and read forum topics and posts by directly accessing the module with read-only parameters. This is classified as an authentication bypass (CWE-306) and results in unauthorized disclosure of forum content.
Potential Impact
An attacker can read sensitive forum topics and posts without authentication, leading to confidentiality breaches. There is no impact on data integrity or availability. The vulnerability allows unauthorized information disclosure but does not permit modification or denial of service.
Mitigation Recommendations
A fix is available in Admidio version 5.0.11. Users should upgrade to version 5.0.11 or later to remediate this authentication bypass vulnerability. No other mitigations are indicated by the vendor advisory or source data.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-qjhq-374q-29q9
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-69091"]
- Ecosystems
- []
- Database Specific Severity
- HIGH
- Cvss Version
- 3.1
Threat ID: 6a710667bf32cb7a34394e25
Added to database: 08/03/2026, 21:21:43 UTC
Last enriched: 08/03/2026, 21:32:52 UTC
Last updated: 08/03/2026, 22:57:46 UTC
Views: 2
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.