CVE-2025-30186: Open-Xchange GmbH Ox App Suite

Medium severity, CVSS 5.4. EPSS: 0.2% chance of exploitation in the next 30 days.

Malicious content uploaded as file can be used to execute script code when following attacker-controlled links. Unintended actions can be executed in the context of the users account, including exfiltration of sensitive information. Please deploy the provided updates and patch releases. No publicly available exploits are known

Affected products

• Open-Xchange GmbH Ox App Suite: up to and including 8.35.107; up to and including 8.38.89; up to and including 8.39.83; up to and including 8.40.68; up to and including 8.41.60

Published 2025-11-27. Last modified 2026-06-17.