CVE-2024-26139: Citeum Opencti

High severity, CVSS 8.1. EPSS: 0.4% chance of exploitation in the next 30 days.

OpenCTI is an open source platform allowing organizations to manage their cyber threat intelligence knowledge and observables. Due to lack of certain security controls on the profile edit functionality, an authenticated attacker with low privileges can gain administrative privileges on the web application.

Affected products

• Citeum Opencti: up to and including 5.12.31

Published 2024-05-23. Last modified 2026-06-17.