Security Advisory

CVE-2026-91923

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-09-15 11:00:51

Last updated 2026-09-15 11:00:51

Assigner VulnCheck

CVSS score 8.3

State PUBLISHED

Description

KubeSphere through 4.1.3 contains a server-side request forgery vulnerability in the git credential verification endpoint that accepts unvalidated caller-supplied URLs without allowlist restrictions. Authenticated attackers can supply arbitrary URLs to reach internal services and exfiltrate basic-auth credentials from Secrets in any namespace by leveraging the endpoint's error response handling.

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