cvedb.io
CVE-2026-39980
CRITICAL · CVSS 9.1
EPSS exploitation probability: 0%
Published 2026-04-09T18:17:02.203 · Last modified 2026-06-17T10:42:50.910

Summary

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

citeum — opencti

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.