CVE-2026-69091 Admidio before 5.0.11 Authentication Bypass via forum.php
Unauthenticated attackers can read forum topics and posts in Admidio when login-only mode is enabled due to missing access control validation.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-69091?
CVE-2026-69091 is a high-severity authentication bypass vulnerability in admidio, published on 3 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Admidio before 5.0.11 contains an authentication bypass vulnerability in the forum module when configured in login-only mode. The access control logic in modules/forum.php fails to validate the login-only configuration state, allowing unauthenticated attackers to read forum topics and posts by directly accessing the module with read-only parameters.
Weakness: CWE-306
Which versions are affected by CVE-2026-69091?
How do I fix CVE-2026-69091?
No fix has been published for CVE-2026-69091 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2026-69091 being exploited?
There is no known exploitation of CVE-2026-69091 in the wild and no public exploit code.
Sources
Also known as GHSA-cf48-6jrq-gjcm, GHSA-qjhq-374q-29q9.