Improper Check for Unusual or Exceptional Conditions in Admidio - CVE-2026-41662
Published: April 23, 2026
Vulnerability identifier: #VU127163
CSH Severity: Low
CVSS v4: 6.8 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:A/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-41662
CWE-ID: CWE-754
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to cause a denial of service.
The vulnerability exists due to improper check for unusual or exceptional conditions in Role::stopMembership() when removing a user from the administrator role. A remote privileged user can send a crafted membership removal request to cause a denial of service.
User interaction is required, and exploitation requires two active administrator accounts with valid sessions.
Affected software
Admidio
How to mitigate CVE-2026-41662
Install security update from vendor's website.
Admidio - update to 5.0.9