CVE-2018-9998: Open-Xchange Appsuite

Medium severity, CVSS 6.5. EPSS: 1.8% chance of exploitation in the next 30 days.

Open-Xchange OX App Suite before 7.6.3-rev37, 7.8.x before 7.8.2-rev40, 7.8.3 before 7.8.3-rev48, and 7.8.4 before 7.8.4-rev28 include folder names in API error responses, which allows remote attackers to obtain sensitive information via the folder parameter in an "all" action to api/tasks.

Affected products

• Open-Xchange Open-Xchange Appsuite: up to and including 7.6.3; version 7.6.3 only; version 7.8.0 only; version 7.8.2 only; version 7.8.3 only; version 7.8.4 only

Published 2018-07-05. Last modified 2026-06-17.