How severe is CVE-2026-7066?

CVE-2026-7066 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2026-7066 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-7066?

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-2026-7066 have an EU (EUVD) identifier?

Yes. CVE-2026-7066 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-25736.

When was CVE-2026-7066 published?

CVE-2026-7066 was published on 2026-04-27 and last updated on 2026-06-17.

CVE-2026-7066

CVE-2026-7066 is a high-severity vulnerability with a CVSS 3.x base score of 7.3. 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-77.

Key facts

Severity: High (CVSS 3.x base score 7.3)
CVSS v2: 7.5
CVSS v4: 5.5
EPSS exploit prediction: 1% (68th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-25736
Weakness: CWE-77
Published: 2026-04-27
Last modified: 2026-06-17

Description

A vulnerability was found in choieastsea simple-openstack-mcp up to 767b2f4a8154cca344344b9725537a58399e6036. The affected element is the function exec_openstack of the file server.py. The manipulation results in os command injection. It is possible to launch the attack remotely. The exploit has been made public and could be used. This product takes the approach of rolling releases to provide continious delivery. Therefore, version details for affected and updated releases are not available. The project was informed of the problem early through an issue report but has not responded yet.

Frequently asked questions

What is CVE-2026-7066?: A vulnerability was found in choieastsea simple-openstack-mcp up to 767b2f4a8154cca344344b9725537a58399e6036. The affected element is the function exec_openstack of the file server.py. The manipulation results in os command injection. It is possible to launch the attack remotely. The exploit has been made public and could be used. This product takes the approach of rolling releases to provide continious delivery. Therefore, version details for affected and updated releases are not available. The project was informed of the problem early through an issue report but has not responded yet.
How severe is CVE-2026-7066?: CVE-2026-7066 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2026-7066 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-7066?: 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-2026-7066 have an EU (EUVD) identifier?: Yes. CVE-2026-7066 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-25736.
When was CVE-2026-7066 published?: CVE-2026-7066 was published on 2026-04-27 and last updated on 2026-06-17.

References

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