Openshift: openshift: non-admin user can bypass resourcequota and flood etcd with events causing cluster-wide api degradation (Red Hat Red Hat OpenShift Container Platform 4)

CVE-2026-10533
MEDIUM 5.0

At a glance

Source
NVD
EPSS
EPSS 0.23 % · percentile 14 ()
State
PUBLISHED
Published
Updated
Assigner
redhat
NVD status
Analyzed

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.

Weaknesses (CWE)

  • CWE-770 — Allocation of Resources Without Limits or Throttling

References

Scores

VersionScoreVectorScored by
CVSS 3.1MEDIUM 5.0CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:Lredhat
CVSS 3.1MEDIUM 5.0CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:LNVD · secalert@redhat.com (Secondary)
CVSS 3.1MEDIUM 5.0CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:LNVD · nvd@nist.gov (Primary)

European references

Affected configurations (NVD CPE)

Affected products

ProductVersions
Red Hat · Red Hat OpenShift Container Platform 4

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD