Resource exhaustion in Red Hat Openshift Container Platform 4
CVE-2026-10533
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.0 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:L.
EPSS exploit prediction
EPSS: 0.002 (12.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 12th percentile — 12.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
Weakness classification (CWE)
References
- access.redhat.com/security/cve/CVE-2026-10533 (vdb-entry, Vendor Advisory)
- bugzilla.redhat.com/show_bug.cgi (Permissions Required, issue-tracking)
Frequently asked questions
- What is CVE-2026-10533?
- CVE-2026-10533 is a medium-severity vulnerability in Red Hat Openshift Container Platform 4, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 5.0/10. Published 2026-06-01.
- How severe is CVE-2026-10533?
- Medium severity. CVSS v3 base score is 5.0 out of 10.