Description
A flaw was found in Kubernetes kube-controller-manager. The StatefulSet controller restores ControllerRevision data onto the whole StatefulSet object, including metadata. A user with namespace-scoped write access to StatefulSet and ControllerRevision can cause the controller to create a pod in another namespace. That pod is deleted by garbage collection unless the attacker can name the UID of a StatefulSet in the target namespace.
Published: n/a
Score: 5.9 Medium
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Tue, 29 Sep 2026 13:15:00 +0000

Type Values Removed Values Added
Description A flaw was found in Kubernetes kube-controller-manager. The StatefulSet controller restores ControllerRevision data onto the whole StatefulSet object, including metadata. A user with namespace-scoped write access to StatefulSet and ControllerRevision can cause the controller to create a pod in another namespace. That pod is deleted by garbage collection unless the attacker can name the UID of a StatefulSet in the target namespace.
Title kube-controller-manager: kube-controller-manager: StatefulSet and ControllerRevision write permissions allow cross-namespace pod creation
Weaknesses CWE-1220
References
Metrics threat_severity

None

 cvssV3_1

{'score': 5.9, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:N'}

threat_severity

Moderate

Subscriptions

No data.

cve-icon MITRE

No data.

cve-icon Vulnrichment

No data.

cve-icon NVD

No data.

cve-icon Redhat

Severity : Moderate

Publid Date: 2026-09-15T16:00:00Z

Links: CVE-2026-2270 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses