CVE-2025-9708
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CVSS Score
V3.1Attack Vector Metrics
Impact Metrics
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.
Available Exploits
Related News
Posted by Rita Zhang on Sep 16Hello Kubernetes Community, 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 t…
Affected Products
EU Vulnerability Database
Monitored by ENISA for EU cybersecurity
ENISA Analysis
Kubernetes C# client accepts certificates from any CA without properly verifying the trust chain
Affected Products (ENISA)
ENISA Scoring
CVSS Score (3.1)
EPSS Score
ENISA References
Data provided by ENISA EU Vulnerability Database. Last updated: September 17, 2025
GitHub Security Advisories
Community-driven vulnerability intelligence from GitHub
Kubernetes C# client accepts certificates from any CA without properly verifying the trust chain
GHSA-w7r3-mgwf-4mqqAdvisory Details
Affected Packages
CVSS Scoring
CVSS Score
CVSS Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N
References
Advisory provided by GitHub Security Advisory Database. Published: September 17, 2025, Modified: September 17, 2025
Social Media Intelligence
Real-time discussions and threat intelligence from social platforms
CVE-2025-9708: Kubernetes C# Client: improper certificate validation in custom CA mode may lead to man-in-the-middle attacks Source: Kubernetes community list Hello Kubernetes Community, 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 …