How severe is CVE-2026-5781?

CVE-2026-5781 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-5781 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (14th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-5781?

CVE-2026-5781 affects Agilonhealth Minerva. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-5781?

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-2026-5781 have an EU (EUVD) identifier?

Yes. CVE-2026-5781 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-26040.

When was CVE-2026-5781 published?

CVE-2026-5781 was published on 2026-04-28 and last updated on 2026-06-17.

CVE-2026-5781

CVE-2026-5781 is a high-severity vulnerability in Agilonhealth Minerva with a CVSS 3.x base score of 8.8. 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-285.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v4: 8.5
EPSS exploit prediction: 0% (14th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-26040
Weakness: CWE-285
Affected product: Agilonhealth Minerva
Published: 2026-04-28
Last modified: 2026-06-17

Description

An authorization vulnerability in MphRx's Minerva V3.6.0, specifically in the '/minerva/moUser/update' endpoint, could allow an authenticated user with user modification privileges to escalate their privileges by sending an HTTP request with a manipulated 'identifier' field. Successful exploitation of this vulnerability could allow an authenticated user to obtain administrator privileges. It is not possible to escalate privileges through the graphical user interface.

Frequently asked questions

What is CVE-2026-5781?: An authorization vulnerability in MphRx's Minerva V3.6.0, specifically in the '/minerva/moUser/update' endpoint, could allow an authenticated user with user modification privileges to escalate their privileges by sending an HTTP request with a manipulated 'identifier' field. Successful exploitation of this vulnerability could allow an authenticated user to obtain administrator privileges. It is not possible to escalate privileges through the graphical user interface.
How severe is CVE-2026-5781?: CVE-2026-5781 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-5781 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (14th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-5781?: CVE-2026-5781 affects Agilonhealth Minerva. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-5781?: 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-2026-5781 have an EU (EUVD) identifier?: Yes. CVE-2026-5781 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-26040.
When was CVE-2026-5781 published?: CVE-2026-5781 was published on 2026-04-28 and last updated on 2026-06-17.

References

https://www.incibe.es/en/incibe-cert/notices/aviso/multiple-vulnerabilities-mphrxs-minerva

Affected products (1)

cpe:2.3:a:agilonhealth:minerva:3.6.0:*:*:*:*:*:*:*

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