PT-2026-126413

CVE-2026-117554

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Published

2026-10-27

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Updated

2026-10-27

Description by

CVSS 3.1
4.3
Medium
MetricsAV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Admidio before 5.0.17 contains an improper access control vulnerability that allows authenticated members to register event guests by submitting the additional guests field when guests are disallowed. Attackers can set additional guests to the remaining seat count in modules/events/events function.php to exhaust event capacity and block other members from registering.
Exploitability
Fix
Researchers
Vendors
Affected products
Weakness enumeration
CWE-602: Client-Side Enforcement of Server-Side Security
Related identifiers
CVE-2026-117554
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