How severe is CVE-2025-41090?

CVE-2025-41090 has a CVSS 4.0 base score of 7.6, rated high severity.

Is CVE-2025-41090 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.

How do I fix CVE-2025-41090?

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-2025-41090 have an EU (EUVD) identifier?

Yes. CVE-2025-41090 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-36443.

When was CVE-2025-41090 published?

CVE-2025-41090 was published on 2025-10-28 and last updated on 2026-06-17.

CVE-2025-41090

CVE-2025-41090 is a high-severity vulnerability with a CVSS 4.0 base score of 7.6. 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-306.

Key facts

Severity: High (CVSS 4.0 base score 7.6)
EPSS exploit prediction: 0% (23rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-36443
Weakness: CWE-306
Published: 2025-10-28
Last modified: 2026-06-17

Description

microCLAUDIA in v3.2.0 and prior has an improper access control vulnerability. This flaw allows an authenticated user to perform unauthorized actions on other organizations' systems by sending direct API requests. To do so, the attacker can use organization identifiers obtained through a compromised endpoint or deduced manually. This vulnerability allows access between tenants, enabling an attacker to list and manage remote assets, uninstall agents, and even delete vaccines configurations.

Frequently asked questions

What is CVE-2025-41090?: microCLAUDIA in v3.2.0 and prior has an improper access control vulnerability. This flaw allows an authenticated user to perform unauthorized actions on other organizations' systems by sending direct API requests. To do so, the attacker can use organization identifiers obtained through a compromised endpoint or deduced manually. This vulnerability allows access between tenants, enabling an attacker to list and manage remote assets, uninstall agents, and even delete vaccines configurations.
How severe is CVE-2025-41090?: CVE-2025-41090 has a CVSS 4.0 base score of 7.6, rated high severity.
Is CVE-2025-41090 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.
How do I fix CVE-2025-41090?: 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-2025-41090 have an EU (EUVD) identifier?: Yes. CVE-2025-41090 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-36443.
When was CVE-2025-41090 published?: CVE-2025-41090 was published on 2025-10-28 and last updated on 2026-06-17.

References

https://www.incibe.es/en/incibe-cert/notices/aviso/improper-access-control-ccn-cert-microclaudia

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