CVE-2025-9708 Affecting kubernetes-reflector package, versions <9.1.31-r1
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applications- Snyk IDSNYK-CHAINGUARDLATEST-KUBERNETESREFLECTOR-13004248
- published23 Sept 2025
- disclosed16 Sept 2025
Introduced: 16 Sep 2025
CVE-2025-9708 (opens in a new tab)How to fix?
Upgrade Chainguard kubernetes-reflector to version 9.1.31-r1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kubernetes-reflector package and not the kubernetes-reflector package as distributed by Chainguard.
See How to fix? for Chainguard relevant fixed versions and status.
A vulnerability exists in the Kubernetes C# client where the certificate validation logic accepts properly constructed certificates from any Certificate Authority (CA) without properly verifying the trust chain. This flaw allows a malicious actor to present a forged certificate and potentially intercept or manipulate communication with the Kubernetes API server, leading to possible man-in-the-middle attacks and API impersonation.