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Vulnerability record · CVE-2026-10533 · published 1 June 2026

CVE-2026-10533: Redhat openshift container platform allocation without limits vulnerability

Redhat · Openshift Container Platform

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.

5.0 CVSS 3.1 Medium EPSS 0.23% · top 87.6% CWE-770 · Allocation without limits
5.0CVSS 3.1 base score
0.23%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
22 Jul 2026Last modified by NVD

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.

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:L

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://access.redhat.com/security/cve/CVE-2026-10533 Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2483727 Permissions Required

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Source: NIST National Vulnerability Database (record CVE-2026-10533), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.