CVE-2026-10059Cluster-curator-controller: cluster-curator-controller: namespace admin can escalate to cluster-wide curator authority via clustercurator serviceaccount token
Updated under an hour ago ()
Does this affect you?
It affects Red Hat multicluster engine for Kubernetes 2.1. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
Do this next
Free account, 1 product
A flaw was found in the Multicluster Engine for Kubernetes ClusterCurator controller. A tenant administrator with namespace-scoped privileges can exploit this vulnerability by creating a namespaced ClusterCurator. This action inadvertently grants the tenant administrator the ability to mint a token for a ServiceAccount with cluster-wide administrative authority. This leads to a privilege escalation, allowing the tenant administrator to gain full control over the cluster.
- CVSS
- 9.1 CRITICAL (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
- Weakness (CWE)
- CWE-266
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- redhat
- NVD analysis
- Awaiting Analysis
- Record last updated
- Sep 8, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Red Hat multicluster engine for Kubernetes 2.1 redhat:multicluster_engine | from 1787201612 not affected | CNA record |
References
- https://access.redhat.com/errata/RHSA-2026:59556vendor-advisory, x-refsource-redhat
- https://access.redhat.com/errata/RHSA-2026:59557vendor-advisory, x-refsource-redhat
- https://access.redhat.com/errata/RHSA-2026:59558vendor-advisory, x-refsource-redhat
- https://access.redhat.com/errata/RHSA-2026:59559vendor-advisory, x-refsource-redhat
- https://access.redhat.com/errata/RHSA-2026:59579vendor-advisory, x-refsource-redhat
- https://access.redhat.com/security/cve/CVE-2026-10059vdb-entry, x-refsource-redhat
- https://bugzilla.redhat.com/show_bug.cgi?id=2483187issue-tracking, x-refsource-redhat
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.