๐Ÿ›ก๏ธ CVE-2026-39980
๐Ÿ”ด CVSS 9.1 โ€” Critical โœ… No Known Exploit CWE-1336 NVD
9.1
CVSS Score
0 Low4 Medium7 High9 Critical10

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.

Details

Severity CRITICAL
CVSS Score 9.1
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
CWE CWE-1336
Public Exploit โœ… No
Source NVD
Published 2026-04-09
Updated 2026-06-02
Modified 2026-04-22
Fix URL N/A

Affected Packages

Software From version Fixed in
opencti โ€” 6.9.5

Similar Threats

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