What is CVE-2026-69091?

CVE-2026-69091 is a high-severity vulnerability in Admidio, classified under Missing Authentication for Critical Function. CVSS score: 7.5/10. Published 2026-08-03.

How severe is CVE-2026-69091?

High severity. CVSS v3 base score is 7.5 out of 10.

Auth bypass in Admidio

CVE-2026-69091

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 unau…

Vulnerability class: Broken Authentication

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Admidio — versions 0, 5.0.11

Weakness classification (CWE)

CWE-306 — Missing Authentication for Critical Function

References

disclosure@vulncheck.com (vendor-advisory)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2026-69091?: CVE-2026-69091 is a high-severity vulnerability in Admidio, classified under Missing Authentication for Critical Function. CVSS score: 7.5/10. Published 2026-08-03.
How severe is CVE-2026-69091?: High severity. CVSS v3 base score is 7.5 out of 10.