CVE-2026-28189: Roland Barker Participants Database

High severity, CVSS 7.4. EPSS: 0.4% chance of exploitation in the next 30 days.

Unauthenticated Arbitrary File Deletion in Participants Database <= 2.7.8.4 versions.

Affected products

• Roland Barker Participants Database: up to and including 2.7.8.4

Published 2026-08-13. Last modified 2026-08-14.