Improper access control in OpenCTI-Platform opencti
Priority LOW 33CWE-284Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub. Impact type from CWE-284.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00316 24th percentileScored 2026-11-07
Fix Fixed opencti (OpenCTI-Platform): 6.9.7pycti (PyPI): 6.9.7
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| OpenCTI-Platform | opencti | before 6.9.7 | 6.9.7 | Patch available | CNA |
| — | pycti (PyPI) | before 6.9.7 | 6.9.7 | Patch available | GHSA-q537-qhj4-wcjx |
- opencti VendorOpenCTI-Platform Affected before 6.9.7 Fixed in 6.9.7 Patch available CNA
- pycti (PyPI) Vendor— Affected before 6.9.7 Fixed in 6.9.7 Patch available GHSA-q537-qhj4-wcjx
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:citeum:opencti:*:*:*:*:*:*:*:* | before 6.9.7 | Vulnerable | OpenCTI-Platform |
- cpe:2.3:a:citeum:opencti:*:*:*:*:*:*:*:* Versions before 6.9.7 Vulnerable ·OpenCTI-Platform
Remediation
- Fix · CNA opencti (OpenCTI-Platform) Fixed in 6.9.7
- Fix · GHSA-q537-qhj4-wcjx pycti (PyPI) Fixed in 6.9.7 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2026-44730
- 2026-10-03 Alias added: GHSA-q537-qhj4-wcjx
References
More OpenCTI-Platform Opencti vulnerabilities
- TI-2024-24682 OpenCTI May Bypass Introspection Restriction CVSS 3.1HIGH 8.2
- TI-2024-30453 OpenCTI's lack of Rate Limit lead to OTP brute forcing CVSS 3.1HIGH 8.1
- TI-2020-19176 OpenCTI 3.3.1 - Directory Traversal CVSS 4.0HIGH 7.1
- TI-2026-22303 OpenCTI privilege escalation and unauthenticated access via default admin account CVSS 3.1CRITICAL 9.8
- TI-2020-19179 OpenCTI 3.3.1 - Cross Site Scripting CVSS 4.0MEDIUM 5.1
- TI-2024-30771 OpenCTI leaks support information due to inadequate access control CVSS 3.1MEDIUM 4.3
Sources
- CVE-2026-44730 · CVE Program
- CVE-2026-44730 · NVD
- FIRST EPSS
- GHSA-q537-qhj4-wcjx · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences