{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-71208", "assignerOrgId": "309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c", "state": "PUBLISHED", "assignerShortName": "TuranSec", "dateReserved": "2026-08-05T06:56:15.799Z", "datePublished": "2026-08-05T06:59:13.308Z", "dateUpdated": "2026-08-05T06:59:13.308Z"}, "containers": {"cna": {"title": "KubeSphere: SSRF via Unvalidated Cluster CRD Connection Endpoint in Cluster Reconciliation", "descriptions": [{"lang": "en", "value": "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). A user able to create or update a Cluster CRD can force the controller-manager and apiserver pods to issue outbound requests to arbitrary internal or metadata endpoints."}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "CWE-918 Server-Side Request Forgery (SSRF)", "cweId": "CWE-918", "type": "CWE"}]}], "affected": [{"vendor": "kubesphere", "product": "KubeSphere", "programFiles": ["pkg/utils/clusterclient/clusterclient.go"], "versions": [{"version": "4.0.0", "lessThanOrEqual": "4.1.3-rc.0", "versionType": "custom", "status": "affected"}], "defaultStatus": "unknown"}], "metrics": [{"other": {"type": "CVSS_3.1_severity", "content": {"value": "HIGH"}}}, {"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N", "baseScore": 7.1, "baseSeverity": "HIGH"}}], "references": [{"url": "https://github.com/ashikmd7/kubeSphere/blob/main/SSRF%20via%20Cluster%20CRD%20KubeConfig/README.md"}, {"url": "https://github.com/kubesphere/kubesphere"}], "credits": [{"lang": "en", "value": "Ashik Mohamed", "type": "finder"}], "providerMetadata": {"orgId": "309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c", "shortName": "TuranSec", "dateUpdated": "2026-08-05T06:59:13.308Z"}}}}

{}

{}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[4.0.0,4.1.3-rc.0]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "KubeSphere", "source": "cna", "vendor": "kubesphere"}, "product": "kubesphere", "vendor": "kubesphere"}], "created": "2026-08-05T08:45:16.605035+00:00", "updated": "2026-08-05T09:15:04.331422+00:00", "vendors": ["kubesphere", "kubesphere$PRODUCT$kubesphere"]}