Vulnerability · Published Aug 3, 2026 · Assigned by VulnCheck
CVE-2026-69091Admidio before 5.0.11 Authentication Bypass via forum.php
High 7.5
In plain English
A high-severity missing authentication in admidio from Admidio. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 50% of all known vulnerabilities).
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.6%top 50.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
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.
Affected products (as reported)
Weakness: CWE-306 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
References
- GitHub Security Advisory (GHSA-cf48-6jrq-gjcm) vendor-advisory
- VulnCheck Advisory: Admidio before 5.0.11 Authentication Bypass via forum.php third-party-advisory