Auth bypass in Opencti-platform Opencti

CVE-2026-35210

OpenCTI is an open source platform for managing cyber threat intelligence knowledge and observables. Prior to 7.260326.0, an authorization bypass vulnerability in OpenCTI allows any authenticated user with KNOWLEDGE_KNUPDATE permission to…

Vulnerability class: IDOR (Insecure Direct Object Reference)

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-35210?
CVE-2026-35210 is a high-severity vulnerability in Opencti-platform Opencti, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 7.1/10. Published 2026-07-08.
How severe is CVE-2026-35210?
High severity. CVSS v3 base score is 7.1 out of 10.