Kubernetes C# client accepts certificates from any CA without properly verifying the trust chain
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.
beschreibt (1)
Zugehörige CVEs.
| ID | Schweregrad | ausnutzbar | ||
|---|---|---|---|---|
| CVE-2025-9708US | — | — | ||
A vulnerability exists in the Kubernetes C# client where the certificate validation logic accepts properly constructed certificates from any Certificate Authority (CA) without prop… | ||||
Referenzen
Externe Belege — Patches, Meldungen, Analysen.
- http://www.openwall.com/lists/oss-security/2025/09/16/1WEB
- https://github.com/kubernetes-client/csharpPACKAGE
- https://github.com/kubernetes/kubernetes/issues/134063WEB
- https://groups.google.com/g/kubernetes-security-announce/c/rLopt2Msvbw/m/rK6XeNw2CgAJWEB
- https://nvd.nist.gov/vuln/detail/CVE-2025-9708ADVISORY
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