CVE record · CVE-2026-10090

Multicluster-operators-subscription: multicluster-operators-subscription: namespace edit user can deploy cluster-scoped clusterrolebinding and become cluster-admin via application subscription

CVSS 9.0 CriticalCriticalEPSS 0.0058 · 47th percentile

Critical, because:

CVSS score 9.0: 9.0 or more.

Published by the CVE Program (CNA: redhat) at 5 Aug 2026, 08:54 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
Vendor	Product	Versions
Red Hat	Red Hat Advanced Cluster Management for Kubernetes 2.11 Package name: rhacm2/multicluster-operators-subscription-rhel9 https://catalog.redhat.com/software/containers/	unaffected 1787263584 to before * rpm Other versions: affected
Red Hat	Red Hat Advanced Cluster Management for Kubernetes 2.13 Package name: rhacm2/multicluster-operators-subscription-rhel9 https://catalog.redhat.com/software/containers/	unaffected 1787263693 to before * rpm Other versions: affected
Red Hat	Red Hat Advanced Cluster Management for Kubernetes 2.14 Package name: rhacm2/multicluster-operators-subscription-rhel9 https://catalog.redhat.com/software/containers/	unaffected 1787170830 to before * rpm Other versions: affected
Red Hat	Red Hat Advanced Cluster Management for Kubernetes 2.15 Package name: rhacm2/multicluster-operators-subscription-rhel9 https://catalog.redhat.com/software/containers/	unaffected 1787240030 to before * rpm Other versions: affected
Red Hat	Red Hat Advanced Cluster Management for Kubernetes 2.16 Package name: rhacm2/multicluster-operators-subscription-rhel9 https://catalog.redhat.com/software/containers/	unaffected 1787242321 to before * rpm Other versions: affected
Red Hat	Red Hat Advanced Cluster Management for Kubernetes 2.17 Package name: rhacm2/multicluster-operators-subscription-rhel9 https://catalog.redhat.com/software/containers/	unaffected 1787242108 to before * rpm Other versions: affected

Identifiers: CVE-2026-10090
CNA: redhat
Weakness (CWE): CWE-267
Tags: Red Hat Advanced Cluster Management for Kubernetes 2.11
Red Hat Advanced Cluster Management for Kubernetes 2.13
Red Hat Advanced Cluster Management for Kubernetes 2.14
Red Hat Advanced Cluster Management for Kubernetes 2.15
Red Hat Advanced Cluster Management for Kubernetes 2.16
Red Hat Advanced Cluster Management for Kubernetes 2.17
Privilege escalation
Published: 5 Aug 2026
Updated: 8 Sept 2026

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
9.0	Critical	3.1	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:L	CNA (redhat)

CISA KEV Not listed.
EPSS 0.0058, the 47th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 5 Aug 2026. New records show when each source confirmed them.

Sources

References from the CNA

access.redhat.com/errata/RHSA-2026:60386 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:60387 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:60388 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:60389 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:60390 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:60391 vendor-advisoryredhat
access.redhat.com/security/cve/CVE-2026-10090 vdb-entryredhat
bugzilla.redhat.com/show_bug.cgi?id=2483292 issue-trackingredhat

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.