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.
History

Fri, 18 Sep 2026 21:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Tue, 15 Sep 2026 13:00:00 +0000

Type Values Removed Values Added
First Time appeared Kubesphere
Kubesphere kubesphere
Vendors & Products Kubesphere
Kubesphere kubesphere

Tue, 15 Sep 2026 11:15:00 +0000

Type Values Removed Values Added
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.
Title KubeSphere through 4.1.3 SSRF via git credential verification endpoint
Weaknesses CWE-918
References
Metrics cvssV3_1

{'score': 7.7, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N'}

cvssV4_0

{'score': 8.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published: 2026-09-15T11:00:51.698Z

Updated: 2026-09-24T14:22:28.883Z

Reserved: 2026-09-15T10:42:43.665Z

Link: CVE-2026-91923

cve-icon Vulnrichment

Updated: 2026-09-18T17:16:56.310Z

cve-icon NVD

Status : Deferred

Published: 2026-09-15T11:17:12.897

Modified: 2026-09-24T21:08:55.030

Link: CVE-2026-91923

cve-icon Redhat

No data.