CVE-2026-44730: Citeum Opencti

High severity, CVSS 7.2. EPSS: 0.5% chance of exploitation in the next 30 days.

OpenCTI is an open source platform for managing cyber threat intelligence knowledge and observables. Prior to 6.9.7, an organization admin can escalate their privileges by adding a user from a different organization with higher privileges, to their own organization. This is due to incorrect ACL on userEdit relationAdd. This vulnerability is fixed in 6.9.7.

Affected products

• Citeum Opencti: before 6.9.7 (fixed in 6.9.7)

Published 2026-05-26. Last modified 2026-07-24.