Type Vulnerability
This release adds multiple new modules, and 6 of those modules point at a single target: Langflow, the open-source LLM workflow builder.
Grafana
The SQL Expressions experimental feature of Grafana allows for the evaluation of queries containing user input
CVE-2026-39980
What this means
This is rated critical severity (9.1 out of 10). There is no confirmed exploitation of it yet. Ask IT whether Citeum Opencti is in your estate, and treat that as the priority.
Full vendor 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.
Scoring and exploitation
9.1/ 10
CVSS 3.1 base scoreCritical
Exploitable over the network with an administrator-level account, and no one has to click or open anything. High impact on confidentiality, integrity and availability, and it can reach beyond the vulnerable system.
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Exploitability
Longer bar: easier to attack
Attack vectorNetworkAV:N
Attack complexityLowAC:L
Privileges requiredHighPR:H
User interactionNoneUI:N
ScopeChangedS:C
Impact
Longer bar: more harm
ConfidentialityHighC:H
IntegrityHighI:H
AvailabilityHighA:H
- ~1.3% estimated chance of attack in 30 daysModel estimate (): a probability signal, not confirmed exploitation
- Exploited in the wild
- Not confirmed in the
- Not reported
Weaknesses
CWE-1336
Affected products ()
- Citeum Opencti
Show the raw CPE strings (1)
- cpe:2.3:a:citeum:opencti:*:*:*:*:*:*:*:*
References
2 links from the CVE record, grouped by site; the vendor's advisory comes first.
github.com2 linksVendor advisory
- 6.9.5 (opens in a new tab)Product · Release Notes
- GHSA-jv9r-jw2f-rhrf (opens in a new tab)Vendor Advisory