CVE-2024-26139— OpenCTI Authenticated Privilege Escalation
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的开放网络威胁情报平台。 OpenCTI 5.12.31及之前版本存在安全漏洞，该漏洞源于配置文件编辑功能缺乏某些安全控制，允许经过身份验证的低权限攻击者获得Web应用程序的管理权限。
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I. Basic Information for CVE-2024-26139
Vulnerability Information
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Vulnerability Title
OpenCTI Authenticated Privilege Escalation
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
访问控制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
OpenCTI 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
OpenCTI是OpenCTI的开放网络威胁情报平台。 OpenCTI 5.12.31及之前版本存在安全漏洞，该漏洞源于配置文件编辑功能缺乏某些安全控制，允许经过身份验证的低权限攻击者获得Web应用程序的管理权限。
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 | <= 5.12.31 | - |
|
II. Public POCs for CVE-2024-26139
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
Verified env
Premium
Qwen3.6-35B-A3B
· 7612 chars
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Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
In-depth vulnerability mechanism
Trigger conditions & impact
Full executable POC code
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POC zip download
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III. Intelligence Information for CVE-2024-26139
请登录查看更多情报信息。
Vendor Advisories for CVE-2024-26139 (1)
IV. Related Vulnerabilities
Same product: opencti
-
CVE-2026-76820
OpenCTI: Synchronizer SSRF: stream fetch has no URL validati -
CVE-2026-76821
OpenCTI: User-Controlled ReDoS in JSON Ingestion Mapper -
CVE-2026-35211
OpenCTI: Elasticsearch Painless Script Injection via GraphQL -
CVE-2026-35210
OpenCTI: Authorization Bypass via `synchronized-upsert` HTTP -
CVE-2026-35212
OpenCTI has XSS in the rendering of email-message observable
Same vendor: OpenCTI-Platform
-
CVE-2026-76820
OpenCTI: Synchronizer SSRF: stream fetch has no URL validati -
CVE-2026-76821
OpenCTI: User-Controlled ReDoS in JSON Ingestion Mapper -
CVE-2026-35211
OpenCTI: Elasticsearch Painless Script Injection via GraphQL -
CVE-2026-35210
OpenCTI: Authorization Bypass via `synchronized-upsert` HTTP -
CVE-2026-35212
OpenCTI has XSS in the rendering of email-message observable
Same weakness: CWE-284
-
CVE-2026-105823
ImageMagick before 7.1.2-31 Policy Bypass in CUT Encoder -
CVE-2026-76281
Improper Access Control in Splunk Enterprise -
CVE-2026-76265
Improper Access Control through REST API Endpoints in Splunk -
CVE-2026-76463
Cisco Meraki Security Hardening Release: October 2026 - Impr -
CVE-2026-76498
Cisco Application Policy Infrastructure Controller Hardening
V. Comments for CVE-2024-26139
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