How severe is CVE-2026-10533?

CVE-2026-10533 has a CVSS 3.x base score of 5.0, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.

Is CVE-2026-10533 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (14th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-10533?

CVE-2026-10533 affects Redhat Openshift Container Platform. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-10533?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-10533 have an EU (EUVD) identifier?

Yes. CVE-2026-10533 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-33641.

When was CVE-2026-10533 published?

CVE-2026-10533 was published on 2026-06-01 and last updated on 2026-06-17.

CVE-2026-10533

CVE-2026-10533 is a medium-severity vulnerability in Redhat Openshift Container Platform with a CVSS 3.x base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-770.

Key facts

Severity: Medium (CVSS 3.x base score 5.0)
EPSS exploit prediction: 0% (14th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-33641
Weakness: CWE-770
Affected product: Redhat Openshift Container Platform
Published: 2026-06-01
Last modified: 2026-06-17

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.

Frequently asked questions

What is 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.
How severe is CVE-2026-10533?: CVE-2026-10533 has a CVSS 3.x base score of 5.0, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.
Is CVE-2026-10533 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (14th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-10533?: CVE-2026-10533 affects Redhat Openshift Container Platform. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-10533?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-10533 have an EU (EUVD) identifier?: Yes. CVE-2026-10533 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-33641.
When was CVE-2026-10533 published?: CVE-2026-10533 was published on 2026-06-01 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:redhat:openshift_container_platform:4.0:*:*:*:*:*:*:*

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