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).

There are packages installed that are affected by a vulnerability referenced in the following CVE:

  - 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). (CVE-2025-13281)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-017342 advisory.

    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 planes host network (including link-local or     loopback services).

Tenable has extracted the preceding description block directly from the Unity Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

ID	Name	Product	Family	Type	Severity
463074	Echo: k8s.io/kubernetes: security update to 1.32.10	Tenable Cloud Security	Echo Local Security Checks	Local	medium
463074	Echo: k8s.io/kubernetes: security update to 1.32.10	Tenable Self-Hosted Container Security	Echo Local Security Checks	Local	medium
313576	Unity Linux 20.1050e / 20.1070e Security Update: kubernetes (UTSA-2026-017342)	Nessus	Unity Linux Local Security Checks	Local	medium
436389	SCA: security update for k8s.io/kubernetes (GHSA-r6j8-c6r2-37rr)	Tenable Cloud Security	SCA Checks	Local	medium
436389	SCA: security update for k8s.io/kubernetes (GHSA-r6j8-c6r2-37rr)	Tenable Self-Hosted Container Security	SCA Checks	Local	medium

Detections

Analytics

CVE-2025-13281

medium

Tenable Plugins

medium

medium

medium

medium

medium