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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.

PUBLISHED Reserved 2026-06-01 | Published 2026-06-01 | Updated 2026-06-08 | Assigner redhat




MEDIUM: 5.0CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:L

Problem types

Allocation of Resources Without Limits or Throttling

Product status

Default status
affected

Timeline

2026-03-16:Reported to Red Hat.
2026-03-16:Made public.

Credits

Red Hat would like to thank Chris Sinclair for reporting this issue.

References

access.redhat.com/security/cve/CVE-2026-10533 vdb-entry

bugzilla.redhat.com/show_bug.cgi?id=2483727 (RHBZ#2483727) issue-tracking

cve.org (CVE-2026-10533)

nvd.nist.gov (CVE-2026-10533)

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