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.
Scores
CVSS v3
9.1
EPSS
0.0012
EPSS Percentile
30.4%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
total
Details
CWE
CWE-1336
Status
published
Products (2)
citeum/opencti
< 6.9.5
OpenCTI-Platform/opencti
< 6.9.5
Published
Apr 09, 2026
Tracked Since
Apr 09, 2026