---
id: CVE-2025-13281
title: >-
  A half-blind Server Side Request Forgery (SSRF) vulnerability exists in
  kube-controller-manager when using the in-tree Portworx StorageClass
summary: >-
  A half-blind Server Side Request Forgery (SSRF) vulnerability exists in
  kube-controller-manager when using the in-tree Portworx StorageClass. This
  vulnerability allows authorized users to leak arbitrary information from
  unprotected endpo…
severity: medium
cvss: 5.8
cvssVector: 'CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N'
cwe:
  - CWE-918
published: '2025-12-14'
updated: '2026-10-14'
sourceUpdated: '2026-10-14T13:10:00.187'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-13281'
references:
  - url: 'https://github.com/kubernetes/kubernetes/issues/135525'
    label: jordan@liggitt.net
  - url: >-
      https://groups.google.com/g/kubernetes-security-announce/c/EORqZg0k1l4/m/TtD-q0v7AgAJ
    label: jordan@liggitt.net
  - url: 'http://www.openwall.com/lists/oss-security/2025/12/01/4'
    label: af854a3a-2127-422b-91ae-364da2661108
tags:
  - nvd
epss: 0.00389
epssPercentile: 0.31076
ingestedAt: '2026-10-14T13:30:58.424Z'
---

## Overview

A half-blind Server Side Request Forgery (SSRF) vulnerability exists in kube-controller-manager when using the in-tree Portworx StorageClass. This vulnerability allows authorized users to leak arbitrary information from unprotected endpoints in the control plane’s host network (including link-local or loopback services).

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.