How severe is CVE-2026-44730?

CVE-2026-44730 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-44730 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (23rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-44730?

CVE-2026-44730 affects Citeum Opencti. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-44730?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-44730 have an EU (EUVD) identifier?

Yes. CVE-2026-44730 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-31908.

When was CVE-2026-44730 published?

CVE-2026-44730 was published on 2026-05-26 and last updated on 2026-06-17.

CVE-2026-44730

CVE-2026-44730 is a high-severity vulnerability in Citeum Opencti with a CVSS 3.x base score of 7.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-284.

Key facts

Severity: High (CVSS 3.x base score 7.2)
EPSS exploit prediction: 0% (23rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-31908
Weakness: CWE-284
Affected product: Citeum Opencti
Published: 2026-05-26
Last modified: 2026-06-17

Description

OpenCTI is an open source platform for managing cyber threat intelligence knowledge and observables. Prior to 6.9.7, an organization admin can escalate their privileges by adding a user from a different organization with higher privileges, to their own organization. This is due to incorrect ACL on userEdit relationAdd. This vulnerability is fixed in 6.9.7.

Frequently asked questions

What is CVE-2026-44730?: OpenCTI is an open source platform for managing cyber threat intelligence knowledge and observables. Prior to 6.9.7, an organization admin can escalate their privileges by adding a user from a different organization with higher privileges, to their own organization. This is due to incorrect ACL on userEdit relationAdd. This vulnerability is fixed in 6.9.7.
How severe is CVE-2026-44730?: CVE-2026-44730 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-44730 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (23rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-44730?: CVE-2026-44730 affects Citeum Opencti. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-44730?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-44730 have an EU (EUVD) identifier?: Yes. CVE-2026-44730 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-31908.
When was CVE-2026-44730 published?: CVE-2026-44730 was published on 2026-05-26 and last updated on 2026-06-17.

References

https://github.com/OpenCTI-Platform/opencti/security/advisories/GHSA-q537-qhj4-wcjx

Affected products (1)

cpe:2.3:a:citeum:opencti:*:*:*:*:*:*:*:*

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