CVE-2026-91923
KubeSphere through 4.1.3 SSRF via git credential verification endpoint
CVSS 4.0 8.3 HIGHCVSS 3.1 7.7 HIGHCheck source for fixed versionsKEV status unknown
cve-program · CVE-2026-91923
PublishedKubeSphere 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.
Read the publisher's advisoryAffected versions, risk and source history
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CVE-2026-91923 · CVE overview and exploitation status
cve-program · CVE-2026-91923
- https://github.com/kubesphere/kubesphere/issues/6653
- https://github.com/kubesphere/kubesphere
- https://github.com/kubesphere/kubesphere/blob/3ef3a6bc98b790480577e87fbc75bee5b3438862/pkg/models/git/git.go
- https://github.com/kubesphere/kubesphere/blob/3ef3a6bc98b790480577e87fbc75bee5b3438862/pkg/kapis/resources/v1alpha2/handler.go
- https://github.com/kubesphere/kubesphere/blob/3ef3a6bc98b790480577e87fbc75bee5b3438862/config/ks-core/templates/globalroles.yaml
- https://www.vulncheck.com/advisories/kubesphere-through-4.1.3-ssrf-via-git-credential-verification-endpoint
Related changes
Linked by CVE identifierNo related changes are available here.