CVE-2025-9708

Sept. 17, 2025, 2:18 p.m.

6.8
Medium

Description

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.

Product(s) Impacted

Vendor Product Versions
Kubernetes
  • Kubernetes Csharp Client
  • *

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-295
Improper Certificate Validation
The product does not validate, or incorrectly validates, a certificate.

*CPE(s)

Affected systems and software identified for this CVE.

Type Vendor Product Version Update Edition Language Software Edition Target Software Target Hardware Other Information
a kubernetes kubernetes_csharp_client / / / / / / / /

References

https://github.com/kubernetes/kubernetes/issues/134063
https://groups.google.com/g/kubernetes-security-announce/c/rLopt2Msvbw/m/rK6XeNw2CgAJ

Tags

CWE-295
jordan@liggitt.net
2025-09-16
CVE-2025-9708

CVSS Score

6.8 / 10

CVSS Data - 3.1

  • Attack Vector: NETWORK
  • Attack Complexity: HIGH
  • Privileges Required: NONE
  • Scope: UNCHANGED
  • Confidentiality Impact: HIGH
  • Integrity Impact: HIGH
  • Availability Impact: NONE

    • CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N

    View Vector String

Timeline

Published: Sept. 16, 2025, 10:15 p.m.
Last Modified: Sept. 17, 2025, 2:18 p.m.

Status : Awaiting Analysis

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

jordan@liggitt.net

*Disclaimer: Some vulnerabilities do not have an associated CPE. To enhance the data, we use AI to infer CPEs based on CVE details. This is an automated process and might not always be accurate.