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CVE-2026-27960

nvd nist
Published: May 5, 2026Modified: Jun 17, 2026

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9.8
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Exploitability: 3.9 / Impact: 5.9
Source: security-advisories@github.com (Secondary)

Description

OpenCTI 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 privilege escalation vulnerability that can be exploited by unauthenticated attackers to query the API as any existing user, including the default admin account. This issue has been fixed in version 6.9.13. As a workaround, the default admin can be disabled using the `APP__ADMIN__EXTERNALLY_MANAGED` configuration.

Affected (1)

Products: Citeum: Opencti
Citeum
1 product
Opencti
Configuration A
1 vulnerable
Vulnerable SoftwareAffected Versions
Opencti
From 6.9.0 to 6.9.13

Related CWEs

CWE-287
Improper Authentication
When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.

References (1)

Source: security-advisories@github.com
MitigationVendor Advisory

Timeline

No history available yet.