Authorization Bypass Through User-Controlled Key Affecting admidio/admidio package, versions <5.0.6
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published11 Mar 2026
- disclosed9 Mar 2026
- creditUnknown
Introduced: 9 Mar 2026
CVE-2026-30927 (opens in a new tab)How to fix?
Upgrade admidio/admidio to version 5.0.6 or higher.
Overview
admidio/admidio is a free open source user management system for websites of organizations and groups.
Affected versions of this package are vulnerable to Authorization Bypass Through User-Controlled Key via the user_uuid parameter in the event participation process. An attacker can register or cancel participation for other users by manipulating the user_uuid parameter in GET requests.