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CVE PROGRAM SOURCE RECORD9.1 Critical

CVE-2026-39980

OpenCTI affected by RCE via notifier template

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

OpenCTI-Platform opencti

  • < 6.9.5affected

References