{
    "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": "2026-08-12T07:44:02.257Z"
    },
    "containers": {
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                "orgId": "309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c",
                "shortName": "TuranSec",
                "dateUpdated": "2026-08-12T07:44:02.257Z"
            },
            "title": "KubeSphere - SSRF via Unvalidated Cluster CRD Connection Endpoint in Cluster Reconciliation",
            "datePublic": "2026-08-05T06:59:00.000Z",
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "lang": "en",
                            "cweId": "CWE-918",
                            "description": "CWE-918 Server-Side Request Forgery (SSRF)",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "affected": [
                {
                    "vendor": "kubesphere",
                    "product": "KubeSphere",
                    "programFiles": [
                        "pkg/utils/clusterclient/clusterclient.go"
                    ],
                    "versions": [
                        {
                            "status": "affected",
                            "version": "4.0.0",
                            "lessThanOrEqual": "4.1.3-rc.0",
                            "versionType": "custom"
                        }
                    ],
                    "defaultStatus": "unknown"
                }
            ],
            "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).",
                    "supportingMedia": [
                        {
                            "type": "text/html",
                            "base64": false,
                            "value": "<p>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).</p>"
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://github.com/ashikmd7/kubeSphere/blob/main/SSRF%20via%20Cluster%20CRD%20KubeConfig/README.md",
                    "tags": [
                        "third-party-advisory"
                    ]
                },
                {
                    "url": "https://github.com/kubesphere/kubesphere",
                    "tags": [
                        "third-party-advisory"
                    ]
                }
            ],
            "metrics": [
                {
                    "other": {
                        "type": "CVSS_3.1_severity",
                        "content": {
                            "value": "HIGH"
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                    },
                    "scenarios": [
                        {
                            "lang": "en",
                            "value": "GENERAL"
                        }
                    ]
                },
                {
                    "format": "CVSS",
                    "scenarios": [
                        {
                            "lang": "en",
                            "value": "GENERAL"
                        }
                    ],
                    "cvssV3_1": {
                        "version": "3.1",
                        "attackVector": "NETWORK",
                        "attackComplexity": "LOW",
                        "privilegesRequired": "LOW",
                        "userInteraction": "NONE",
                        "scope": "UNCHANGED",
                        "confidentialityImpact": "HIGH",
                        "integrityImpact": "NONE",
                        "availabilityImpact": "NONE",
                        "baseSeverity": "MEDIUM",
                        "baseScore": 6.5,
                        "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"
                    }
                }
            ],
            "credits": [
                {
                    "lang": "en",
                    "value": "Ashik Mohamed (ashikmd7)",
                    "type": "finder"
                }
            ],
            "source": {
                "discovery": "EXTERNAL"
            },
            "x_generator": {
                "engine": "Vulnogram 1.0.4"
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        },
        "adp": [
            {
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2026-08-05T13:20:09.859595Z",
                                "id": "CVE-2026-71208",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "no"
                                    },
                                    {
                                        "Technical Impact": "partial"
                                    }
                                ],
                                "role": "CISA Coordinator",
                                "version": "2.0.3"
                            }
                        }
                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2026-08-05T13:20:20.965Z"
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}