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

HIGH 7.2CVE-2026-44730 · GHSA-q537-qhj4-wcjx · PYSEC-2026-167 · Published 26/05/2026 · updated 24/07/2026

Package	Affected versions	Patched versions
pycti PyPI	`< 6.9.7`	`6.9.7`
opencti citeum	`< 6.9.7`	`6.9.7`

Description

Summary

An organization admin can escalate their privileges by adding a user from a different organization with higher privileges, to their own organization.

Impact

Full platform access, access to sensitive or proprietary information.

NVD 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.

References

OpenCTI-Platform/opencti security advisory · WEB
nvd.nist.gov/vuln/detail/CVE-2026-44730 · ADVISORY
OpenCTI-Platform/opencti · PACKAGE
pypa/advisory-database · WEB

Running one of these products? Scan your site to see whether it exposes a vulnerable version.

Scan my site free