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Vulnerability record · CVE-2024-26139 · published 23 May 2024

CVE-2024-26139: Citeum opencti improper access control vulnerability

Citeum · Opencti

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.

8.1 CVSS 3.1 High EPSS 0.40% · top 68.6% CWE-284 · Improper access controlCWE-657 · CWE-657
8.1CVSS 3.1 base score
0.40%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

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.

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/OpenCTI-Platform/opencti/security/advisories/GHSA-qx4j-f4f2-vjw9 Vendor Advisory
https://github.com/OpenCTI-Platform/opencti/security/advisories/GHSA-qx4j-f4f2-vjw9 Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2026-27960Citeum opencti improper authentication vulnerabilityOpenCTI is an open source platform for managing cyber threat intelligence knowledge and observables. In versions 6.6.0 through 6.9.12, there is a pri…EPSS 1.8%9.1CVE-2025-61781Citeum opencti improper authorization vulnerabilityOpenCTI is an open source platform for managing cyber threat intelligence knowledge and observables. Prior to version 6.8.1, the GraphQL mutation "Wo…EPSS 0.24%9.1CVE-2025-24977Citeum opencti code injection vulnerabilityOpenCTI is an open cyber threat intelligence (CTI) platform. Prior to version 6.4.11 any user with the capability `manage customizations` can execute…EPSS 0.82%8.2CVE-2024-37155Citeum opencti improper access control vulnerabilityOpenCTI is an open source platform allowing organizations to manage their cyber threat intelligence knowledge and observables. Prior to version 6.1.9…EPSS 0.46%8.1CVE-2026-21886Citeum opencti improper authorization vulnerabilityOpenCTI is an open source platform for managing cyber threat intelligence knowledge and observables. Prior to version 6.9.1, the GraphQL mutations "I…EPSS 0.23%8.1CVE-2024-45404Citeum opencti improper authentication vulnerabilityOpenCTI is an open-source cyber threat intelligence platform. In versions below 6.2.18, because the function to limit the rate of OTP does not exist,…EPSS 0.59%7.7CVE-2026-21887Citeum opencti server-side request forgery (ssrf) vulnerabilityOpenCTI is an open source platform for managing cyber threat intelligence knowledge and observables. Prior to 6.8.16, the OpenCTI platform’s data ing…EPSS 0.21%7.5CVE-2022-30290Citeum opencti vulnerabilityIn OpenCTI through 5.2.4, a broken access control vulnerability has been identified in the profile endpoint. An attacker can abuse the identified vul…EPSS 0.98%

Source: NIST National Vulnerability Database (record CVE-2024-26139), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.