CVE-2026-5781: An authorization vulnerability in MphRx's Minerva V3.6.0, specifically in the '/minerva/moUser/update' endpoin

Routine

HIGH 8.8DOWNGRADE

CVE-2026-5781 is a high-severity flaw (CVSS 8.8) affecting minerva. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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 grap

Why this priority

High severity

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.2% (top 86%)
CISA exploited list	No
Weakness	CWE-285
Published	2026-04-28
Last modified	2026-10-26

Publisher (CNA): Spanish National Cybersecurity Institute, S.A. (INCIBE) · Vendor: agilonhealth

Last updated 2026-10-26 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-04-28 13:19 UTCPublished CVE record published
2026-10-26 21:10 UTCUpdated Record last modified

agilonhealth minerva DOWNGRADE

Affected: 3.6.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 3.6.0

1. Check installed version

apt-cache policy minerva || rpm -q minerva || minerva --version

2. No fixed release: DOWNGRADE to a release before 3.6.0 (Debian / Ubuntu)

apt-cache madison minerva sudo apt install minerva=<VERSION_BEFORE_3.6.0> sudo apt-mark hold minerva

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list minerva sudo dnf downgrade minerva-<VERSION_BEFORE_3.6.0> sudo dnf versionlock add minerva

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-5781?

minerva: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2026-5781 being exploited?

CVE-2026-5781 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-5781 affect?

CVE-2026-5781 affects minerva. Severity is high (CVSS 8.8). 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 wit

How urgent is CVE-2026-5781?

Priority 34/100. High severity

Related CVEs

CVE-2026-5779 HIGH 8.8 DOWNGRADE An insecure direct object reference (IDOR) vulnerability in MphRx's Minerva V3.6.0, specifically in the '/mine
CVE-2026-5780 HIGH 8.1 DOWNGRADE An insecure direct object reference (IDOR) vulnerability in MphRx's Minerva V3.6.0, specifically in the endpoi

References

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