CVE-2026-91923 KubeSphere - Server-Side Request Forgery

KubeSphere through 4.1.3 contains a server-side request forgery caused by unvalidated URLs in the git credential verification endpoint, letting authenticated attackers reach internal services and exfiltrate credentials, exploit requires authentication.

CVSS base score 7.7 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.45% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Server-Side Request Forgery
Impact
Information Disclosure, Server Side Request Forgery
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
Published
15 September 2026
Updated
15 October 2026
Weakness
CWE-918

Vendor fix

Update to the latest version beyond 4.1.3.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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