CVE-2026-91923 — KubeSphere through 4.1.3 SSRF via git credential verification endpoint
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 a…
Published: 2026-09-15 · CVSS: 8.3 · CVSS 4.0
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7