CVE-2026-71208 | BDVDB-2026-355613 Detail

Description#

KubeSphere's cluster-controller reconciliation (pkg/utils/clusterclient/clusterclient.go, addCluster) processes every Cluster custom resource's connection configuration and immediately calls Discovery.ServerVersion against the CRD-specified Kubernetes API endpoint, which is parsed only for URL syntax (url.Parse) with no allow/deny-list for loopback, RFC1918 private ranges, link-local, or cloud-metadata addresses (e.g. 169.254.169.254).

Impact#

Weaknesses#

References#

Exploit#

History#

1. Version 12026-08-05Record published in the CVE List.
2. Version 22026-08-12Most recent update recorded in the CVE List.