CVE-2025-22931: OS4ED Opensis

High severity, CVSS 7.5. EPSS: 0.5% chance of exploitation in the next 30 days.

An insecure direct object reference (IDOR) in the component /assets/stafffiles of OS4ED openSIS v7.0 to v9.1 allows unauthenticated attackers to access files uploaded by staff members.

Affected products

• OS4ED Opensis: from 7.0, up to and including 9.1

Published 2025-04-03. Last modified 2026-06-17.