CVSS 3.1
7.2 highCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:HCVE-2026-39980
High (7.2) in citeum opencti. EPSS 1.4% chance of exploitation in the next 30 days. Fixed in pycti 6.9.5.
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.
Severity
- EPSS
- 1.4% chance of exploitation in the next 30 days; higher than 71% of CVEs (scores of 2026-10-31)
- CWE
- CWE-1336
- Published
- Modified
- Record from
- the NVD, synced
Affected
- citeum:opencti
Packages (OSV)
| Advisory | Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|---|
| PYSEC-2026-2265 | PyPI | pycti | <6.9.5 | 6.9.5 |