CVE-2025-13281
MEDIUM5.8EPSS 0.01%Half-blind Server Side Request Forgery in kube-controller-manager through in-tree Portworx StorageClass in k8s.io/kubernetes
Published: 12/15/2025Modified: 4/28/2026
Description
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).
Affected packages (3)
- Debian/kubernetesfrom 0, < 1.20.5+really1.20.2-1
- Go/k8s.io/kubernetesfrom 0, < 1.32.10
- Go/k8s.io/kubernetesfrom 0, < 1.32.10, >= 1.33.0-alpha.0, < 1.33.6, >= 1.34.0-alpha.0, < 1.34.2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.8 | CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N |
References (10)
- ADVISORYhttps://github.com/advisories/GHSA-r6j8-c6r2-37rr
- ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2025-13281
- ADVISORYhttps://security-tracker.debian.org/tracker/CVE-2025-13281
- PATCHhttps://github.com/kubernetes/kubernetes
- WEBhttps://github.com/kubernetes/kubernetes/commit/7506ce804c20696ba32cdb72126270ceaed06e24
- WEBhttps://github.com/kubernetes/kubernetes/commit/97650c1c4fe15cbb7756ba95b3edc8a8665063ca
- WEBhttps://github.com/kubernetes/kubernetes/commit/dbe17dfe7773563eac95534040f413ada6d2b421
- WEBhttps://github.com/kubernetes/kubernetes/issues/135525
- WEBhttps://groups.google.com/g/kubernetes-security-announce/c/EORqZg0k1l4/m/TtD-q0v7AgAJ
- WEBhttp://www.openwall.com/lists/oss-security/2025/12/01/4