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

Quick assessment

Affected
OpenCTI-Platform opencti
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

OpenCTI是OpenCTI开源的一个开放网络威胁情报平台。 OpenCTI 6.9.7之前版本存在访问控制错误漏洞，该漏洞源于用户编辑关系添加时ACL不正确，可能导致组织管理员提升权限。

CVSS 7.2 · High EPSS 0.46% · P38

Possible ATT&CK Techniques 1 AI

T1078.004 · Cloud Accounts

Affected Version Matrix 1

VendorProduct Version RangeStatus
OpenCTI-Platform opencti < 6.9.7 affected
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I. Basic Information for CVE-2026-44730

Vulnerability Information
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Vulnerability Title
OpenCTI: Privilege escalation via graphQL API abusable by organization admins, due to incorrect ACL on userEdit relationAdd
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
访问控制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
OpenCTI 访问控制错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
OpenCTI是OpenCTI开源的一个开放网络威胁情报平台。 OpenCTI 6.9.7之前版本存在访问控制错误漏洞，该漏洞源于用户编辑关系添加时ACL不正确，可能导致组织管理员提升权限。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
OpenCTI-Platform opencti < 6.9.7 -

II. Public POCs for CVE-2026-44730

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 9169 chars
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Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
In-depth vulnerability mechanism
Trigger conditions & impact
Full executable POC code
Exploit chain & mitigation
POC zip download
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III. Intelligence Information for CVE-2026-44730

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Vendor Advisories for CVE-2026-44730 (1)

IV. Related Vulnerabilities

Same product: opencti
Same vendor: OpenCTI-Platform
Same weakness: CWE-284

V. Comments for CVE-2026-44730

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