CVE-2026-69091

HIGH

Admidio before 5.0.11 Authentication Bypass via forum.php

Title source: cna
STIX 2.1

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.

References (2)

Core 2
Core References
Vendor Advisory vendor-advisory
GitHub Security Advisory (GHSA-cf48-6jrq-gjcm)
https://github.com/Admidio/admidio/security/advisories/GHSA-cf48-6jrq-gjcm
Third Party Advisory third-party-advisory
VulnCheck Advisory: Admidio before 5.0.11 Authentication Bypass via forum.php
https://www.vulncheck.com/advisories/admidio-before-authentication-bypass-via-forum-php

Scores

CVSS v3 7.5
EPSS 0.0036
EPSS Percentile 28.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-306
Status published
Products (2)
Admidio/admidio < 5.0.11
Admidio/admidio 5.0.11
Published Aug 03, 2026
Tracked Since Aug 03, 2026