CVE-2026-10533
Openshift: openshift: non-admin user can bypass resourcequota and flood etcd with events causing cluster-wide api degradation
- State
- Published
- Severity
- 5.0 Medium
- Published
- Jun 1, 2026
- Updated
- Jun 8, 2026
- Reserved
- Jun 1, 2026
Description
A flaw was found in OpenShift Container Platform. Completed pods with restartPolicy: Never do not count toward ResourceQuota pod limits, and Kubernetes events are not quota-scoped. A non-privileged user who can create pods in a namespace can exploit this to generate a large volume of events that accumulate in etcd, causing API server performance degradation across the cluster.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 5.0 Medium | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:L | redhat |
Weaknesses
- CWE-770 Allocation of Resources Without Limits or Throttling
Affected Products
| Product | Versions |
|---|---|
Red Hat OpenShift Container Platform 4Red Hat |
References
- https://access.redhat.com/security/cve/CVE-2026-10533vdb-entry
- RHBZ#2483727issue-tracking
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