Report: CVE-2026-27960 - OpenCTI privilege escalation and unauthenticated access via default admin account - Complete Guide

Report: CVE-2026-27960 - OpenCTI privilege escalation and unauthenticated access via default admin account - Complete Guide

CVE ID :CVE-2026-27960 Published : May 5, 2026, 7:16 p.m. | 1 hour, 9 minutes ago 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. Severity: 9.8 | CRITICAL Visit the link for more details, such as CVSS details, affected products, timeline, and more...

CVE Details

Severity
CRITICAL
Published
May 5, 2026
Impact: privilege escalation