CVE-2026-44730 OpenCTI: Privilege escalation via graphQL API is abusable by organization admins, due to incorrect ACL on userEdit relationAdd

What is CVE-2026-44730?

CVE-2026-44730 is a high-severity vulnerability in OpenCTI-Platform opencti, published on 26 May 2026. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

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.

Weakness: CWE-284

Which versions are affected by CVE-2026-44730?

3 open source packages ship an affected version, including pycti. It affects 1 product.

Products include Citeum Opencti.

How do I fix CVE-2026-44730?

Upgrade pycti to 6.9.7 or later.

Is CVE-2026-44730 being exploited?

There is no known exploitation of CVE-2026-44730 in the wild and no public exploit code.

Other vulnerabilities in OpenCTI-Platform opencti

• CVE-2026-27960 OpenCTI privilege escalation and unauthenticated access via default admin account Critical 9.8
• CVE-2026-39980 OpenCTI affected by RCE via notifier template Critical 9.1
• CVE-2025-24977 OpenCTI has remote code execution and sensitive secrets exposed through web hook Critical 9.1
• CVE-2024-26139 OpenCTI Authenticated Privilege Escalation High 8.3
• CVE-2024-45404 OpenCTI's lack of Rate Limit lead to OTP brute forcing High 8.1

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-q537-qhj4-wcjx, PYSEC-2026-167.