kube-controller-manager is vulnerable to half-blind Server Side Request Forgery through in-tree Portworx StorageClass
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).
02 / AFFECTED SOFTWARE
Affected packages
48 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
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).
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).
Half-blind Server Side Request Forgery in kube-controller-manager through in-tree Portworx StorageClass in k8s.io/kubernetes
05 / REFERENCES
Further evidence
- http://www.openwall.com/lists/oss-security/2025/12/01/4
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/13xxx/CVE-2025-13281.json
- https://github.com/kubernetes/kubernetes/issues/135525
- https://groups.google.com/g/kubernetes-security-announce/c/EORqZg0k1l4/m/TtD-q0v7AgAJ
- https://nvd.nist.gov/vuln/detail/CVE-2025-13281
- https://github.com/advisories/GHSA-r6j8-c6r2-37rr
- https://github.com/kubernetes/kubernetes
- https://github.com/kubernetes/kubernetes/commit/7506ce804c20696ba32cdb72126270ceaed06e24
- https://github.com/kubernetes/kubernetes/commit/97650c1c4fe15cbb7756ba95b3edc8a8665063ca
- https://github.com/kubernetes/kubernetes/commit/dbe17dfe7773563eac95534040f413ada6d2b421