CVE-2026-46519

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{"affected": [{"affectedData": [{"product": "mcp-server-kubernetes", "vendor": "Flux159", "versions": [{"status": "affected", "version": "< 3.6.0"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "mcp-server-kubernetes is a Model Context Protocol server for Kubernetes cluster management. Prior to version 3.6.0, mcp-server-kubernetes exposes three environment variables (ALLOW_ONLY_READONLY_TOOLS, ALLOW_ONLY_NON_DESTRUCTIVE_TOOLS, ALLOWED_TOOLS) documented as access controls for restricting which Kubernetes operations are available. These controls are enforced at the tool discovery layer (tools/list) but not at the execution layer (tools/call). Any client that knows a tool name can invoke it directly regardless of the configured restriction mode. The access control was effectively cosmetic. This issue has been patched in version 3.6.0."}, {"lang": "es", "value": "mcp-server-kubernetes es un servidor de Protocolo de Contexto de Modelo para la gesti\u00f3n de cl\u00fasteres de Kubernetes. Antes de la versi\u00f3n 3.6.0, mcp-server-kubernetes expone tres variables de entorno (ALLOW_ONLY_READONLY_TOOLS, ALLOW_ONLY_NON_DESTRUCTIVE_TOOLS, ALLOWED_TOOLS) documentadas como controles de acceso para restringir qu\u00e9 operaciones de Kubernetes est\u00e1n disponibles. Estos controles se aplican en la capa de descubrimiento de herramientas (tools/list) pero no en la capa de ejecuci\u00f3n (tools/call). Cualquier cliente que conozca el nombre de una herramienta puede invocarla directamente independientemente del modo de restricci\u00f3n configurado. El control de acceso era efectivamente cosm\u00e9tico. Este problema ha sido parcheado en la versi\u00f3n 3.6.0."}], "id": "CVE-2026-46519", "lastModified": "2026-10-26T11:10:00.157", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-46519", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-06-11T19:39:57.663035Z", "version": "2.0.3"}}]}, "published": "2026-06-11T19:16:42.213", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/Flux159/mcp-server-kubernetes/releases/tag/v3.6.0"}, {"source": "security-advisories@github.com", "url": "https://github.com/Flux159/mcp-server-kubernetes/security/advisories/GHSA-cr22-wjx7-2w6m"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "url": "https://github.com/Flux159/mcp-server-kubernetes/security/advisories/GHSA-cr22-wjx7-2w6m"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-863"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,3.6.0)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "mcp-server-kubernetes", "source": "cna", "vendor": "Flux159"}, "product": "mcp-server-kubernetes", "vendor": "flux159"}], "created": "2026-06-11T20:45:10.551632+00:00", "updated": "2026-06-11T22:15:09.080894+00:00", "vendors": ["flux159", "flux159$PRODUCT$mcp-server-kubernetes"]}