CVE-2026-39980

CRITICAL

9.1

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 CVE

Score CVSS v3.19.1

SeveriteCRITICAL

Vecteur CVSSCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Vecteur d'attaqueNETWORK

ComplexiteLOW

Privileges requisHIGH

Interaction utilisateurNONE

Publie4/9/2026

Derniere modification4/22/2026

Sourcenvd

Observations honeypot0

Produits affectes

citeum:opencti

Faiblesses (CWE)

CWE-1336

References

https://github.com/OpenCTI-Platform/opencti/releases/tag/6.9.5(security-advisories@github.com)

https://github.com/OpenCTI-Platform/opencti/security/advisories/GHSA-jv9r-jw2f-rhrf(security-advisories@github.com)

Correlations IOC

Aucune correlation enregistree

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