Description

OpenCTI is an open source platform for managing cyber threat intelligence knowledge and observables. Prior to 6.9.5, the safeEjs.ts file does not properly sanitize EJS templates. Users with the Manage customization capability can run arbitrary JavaScript in the context of the OpenCTI platform process during notifier template execution. This vulnerability is fixed in 6.9.5.

INFO

Published Date :

2026-04-09T16:54:31.566Z

Last Modified :

2026-04-09T18:44:10.616Z

Source :

GitHub_M
AFFECTED PRODUCTS

The following products are affected by CVE-2026-39980 vulnerability.

Vendors Products
Opencti-platform
  • Opencti
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-39980.

CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact