Auth bypass in Admidio
CVE-2026-69090
Admidio before 5.0.11 fails to validate target organization membership in role handlers, allowing authenticated role administrators to delete, activate, deactivate, or edit roles belonging to other organizations. Attackers can supply a role UUID from another organization to groups_roles.php handlers to modify that organization's roles without authorization.
Vulnerability class: Broken Access Control
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.9 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N.
EPSS exploit prediction
EPSS: 0.003 (28.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 28th percentile — 28.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
- Admidio — versions 0, 5.0.11
Weakness classification (CWE)
References
- github.com/Admidio/admidio/security/advisories/GHSA-fcq9-w4hp-xchg (vendor-advisory)
- www.vulncheck.com/advisories/admidio-before-cross-organization-role-modification (third-party-advisory)
Frequently asked questions
- What is CVE-2026-69090?
- CVE-2026-69090 is a medium-severity vulnerability in Admidio, classified under Missing Authorization. CVSS score: 4.9/10. Published 2026-08-03.
- How severe is CVE-2026-69090?
- Medium severity. CVSS v3 base score is 4.9 out of 10.