What is CVE-2025-0426?

CVE-2025-0426 is a medium-severity vulnerability in Kubernetes Kubelet, classified under Uncontrolled Resource Consumption. CVSS score: 6.2/10. Published 2025-02-13.

How severe is CVE-2025-0426?

Medium severity. CVSS v3 base score is 6.2 out of 10.

Resource exhaustion in Kubernetes Kubelet

CVE-2025-0426

A security issue was discovered in Kubernetes where a large number of container checkpoint requests made to the unauthenticated kubelet read-only HTTP endpoint may cause a Node Denial of Service by filling the Node's disk.

Vulnerability class: DoS (Denial of Service)

EPSS: 0.003 (26.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.2 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Kubernetes Kubelet — versions 1.32.0, 1.31.0, 1.30.0

Weakness classification (CWE)

CWE-400 — Uncontrolled Resource Consumption

References

jordan@liggitt.net (issue-tracking)
jordan@liggitt.net (mailing-list)
af854a3a-2127-422b-91ae-364da2661108

Frequently asked questions

What is CVE-2025-0426?: CVE-2025-0426 is a medium-severity vulnerability in Kubernetes Kubelet, classified under Uncontrolled Resource Consumption. CVSS score: 6.2/10. Published 2025-02-13.
How severe is CVE-2025-0426?: Medium severity. CVSS v3 base score is 6.2 out of 10.