Server Side Request Forgery Vulnerability in Portworx for Kubernetes
CVE-2025-13281

5.8MEDIUM

Key Information:

Vendor

Kubernetes
Status
Kubernetes
Vendor
CVE Published:
14 December 2025

What is CVE-2025-13281?

A half-blind Server Side Request Forgery (SSRF) vulnerability exists in kube-controller-manager when using the in-tree Portworx StorageClass. This issue allows authorized users to access and potentially leak sensitive data from unprotected endpoints within the control plane's host network, which may include critical link-local or loopback services. Proper measures should be implemented to mitigate the risks associated with this vulnerability.

Affected Version(s)

Kubernetes v1.30.0

Kubernetes v1.31.0

Kubernetes v1.32.0

References

https://github.com/kubernetes/kubernetes/issues/135525
issue-tracking
https://groups.google.com/g/kubernetes-security-announce/...
mailing-list

CVSS V3.1

Score:
5.8
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
High
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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CVE-2025-13281 : Server Side Request Forgery Vulnerability in Portworx for Kubernetes