CVE-2026-39980

CVE Enrichment

CVSS: 7.2 HIGH
EPSS: 1.31%
EPSS Percentile: 70.46%
CISA KEV: Not listed

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.

Technical Details

CVSS Version: 3.1
CNA / NVD Source: [email protected]
Published: 10-Apr-2026 01:17
Last Modified: 17-Jun-2026 17:42
EPSS Date: 2026-10-24
CWE: CWE-1336

CVSS Vector


            CVSS:3.1                            AV:N /
                            AC:L /
                            PR:H /
                            UI:N /
                            S:U /
                            C:H /
                            I:H /
                            A:H

Affected Products / Versions

citeum / opencti
Version / affected range: * · before (exclusive) 6.9.5
cpe:2.3:a:citeum:opencti:*:*:*:*:*:*:*:*

References

Last enrichment sync: 25-Oct-2026 01:46
Sources: NVD · FIRST EPSS · CISA KEV
Latest successful provider update; providers refresh independently.

Reported Context (1)

CVE references: CVE-2026-27960 and CVE-2026-39980 Metasploit Adds Exploit Modules for Langflow, OpenCTI, Grafana and More

CVE (9)

People (11)

Products (6)

Tools (1)

Note: Related entities, including threat actors, malware, CVEs, MITRE ATT&CK techniques, vendors, products, tools, countries, and industries, are shown when they appear in the same reporting. Their presence does not necessarily mean they were targeted, compromised, vulnerable, responsible for the activity, or directly involved in the incident.