{"id":"EUVD-2026-42987","enisaUuid":"029eedb8-b178-36ba-b987-3ba4c63f6261","description":"MCP Server Kubernetes before 3.9.0 contains an argument injection vulnerability in structured tools (kubectl_get, kubectl_describe, kubectl_delete) that allows attackers to bypass the assertNoDangerousFlags security check by supplying resourceType and name parameters with leading dashes. Attackers can inject the --server flag to redirect kubectl commands to an attacker-controlled API server, causing the operator\u0027s bearer token to be transmitted externally and enabling full cluster compromise.","datePublished":"Jul 10, 2026, 6:34:27 PM","dateUpdated":"Jul 14, 2026, 10:03:38 PM","baseScore":9.3,"baseScoreVersion":"4.0","baseScoreVector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","references":"https://github.com/Flux159/mcp-server-kubernetes/releases/tag/3.9.0\nhttps://github.com/Flux159/mcp-server-kubernetes/issues/328\nhttps://github.com/Flux159/mcp-server-kubernetes/pull/329\nhttps://github.com/Flux159/mcp-server-kubernetes/commit/d7890f50a4567bf5d9842541ba6f41e180227f9a\nhttps://www.vulncheck.com/advisories/mcp-server-kubernetes-argument-injection-via-kubectl-structured-tools\n","aliases":"CVE-2026-61459\nGHSA-wmg3-h8mf-wgvr\n","assigner":"VulnCheck","epss":2.36,"enisaIdProduct":[{"id":"3958ca84-5062-3dc8-bb56-8b1d3bfd13d8","product":{"name":"mcp-server-kubernetes","vendor":{"name":"Flux159"}},"product_version":"0 \u003c3.9.0"}],"enisaIdVendor":[{"id":"107a48c5-f97c-3f84-8b3a-7ba959bc0554","vendor":{"name":"Flux159"}}],"enisaIdVulnerability":[{"id":"6e20ee77-a11d-352a-85b0-48963e03c985","vulnerability":{"id":"GHSA-wmg3-h8mf-wgvr","description":"mcp-server-kubernetes argument injection can expose Kubernetes cluster credentials","datePublished":"Jul 10, 2026, 9:32:32 PM","dateUpdated":"Oct 28, 2026, 3:08:24 PM","baseScore":0.0,"references":"https://nvd.nist.gov/vuln/detail/CVE-2026-61459\nhttps://github.com/Flux159/mcp-server-kubernetes/issues/328\nhttps://github.com/Flux159/mcp-server-kubernetes/pull/329\nhttps://github.com/Flux159/mcp-server-kubernetes/commit/d7890f50a4567bf5d9842541ba6f41e180227f9a\nhttps://github.com/Flux159/mcp-server-kubernetes\nhttps://github.com/Flux159/mcp-server-kubernetes/releases/tag/3.9.0\nhttps://www.vulncheck.com/advisories/mcp-server-kubernetes-argument-injection-via-kubectl-structured-tools\n","enisa_id":"EUVD-2026-42987\n","aliases":"GHSA-wmg3-h8mf-wgvr\nCVE-2026-61459\n","epss":0.0,"dataProcessed":"Oct 30, 2026, 7:02:53 PM","vulnerabilityProduct":[],"vulnerabilityVendor":[]}},{"id":"cfb28c2b-6ef7-39b7-bc2a-71f270872832","vulnerability":{"id":"PYSEC-2026-3685","description":"mcp-server-kubernetes argument injection can expose Kubernetes cluster credentials","datePublished":"Aug 19, 2026, 11:56:25 AM","dateUpdated":"Aug 19, 2026, 12:16:28 PM","baseScore":0.0,"references":"https://nvd.nist.gov/vuln/detail/CVE-2026-61459\nhttps://github.com/Flux159/mcp-server-kubernetes/issues/328\nhttps://github.com/Flux159/mcp-server-kubernetes/pull/329\nhttps://github.com/Flux159/mcp-server-kubernetes/commit/d7890f50a4567bf5d9842541ba6f41e180227f9a\nhttps://github.com/Flux159/mcp-server-kubernetes\nhttps://github.com/Flux159/mcp-server-kubernetes/releases/tag/3.9.0\nhttps://www.vulncheck.com/advisories/mcp-server-kubernetes-argument-injection-via-kubectl-structured-tools\nhttps://pypi.org/project/mcp-server-kubernetes\nhttps://github.com/advisories/GHSA-wmg3-h8mf-wgvr\n","enisa_id":"EUVD-2026-42987\n","aliases":"CVE-2026-61459\nGHSA-wmg3-h8mf-wgvr\n","epss":0.0,"dataProcessed":"Oct 25, 2026, 2:12:45 AM","vulnerabilityProduct":[],"vulnerabilityVendor":[]}},{"id":"da7b446a-36c4-3f13-a816-6268a8e68d0c","vulnerability":{"id":"CVE-2026-61459","description":"MCP Server Kubernetes before 3.9.0 contains an argument injection vulnerability in structured tools (kubectl_get, kubectl_describe, kubectl_delete) that allows attackers to bypass the assertNoDangerousFlags security check by supplying resourceType and name parameters with leading dashes. Attackers can inject the --server flag to redirect kubectl commands to an attacker-controlled API server, causing the operator\u0027s bearer token to be transmitted externally and enabling full cluster compromise.","datePublished":"Jul 10, 2026, 6:34:27 PM","dateUpdated":"Jul 14, 2026, 10:03:38 PM","status":"PUBLISHED","baseScore":9.3,"baseScoreVersion":"4.0","baseScoreVector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","references":"https://github.com/Flux159/mcp-server-kubernetes/releases/tag/3.9.0\nhttps://github.com/Flux159/mcp-server-kubernetes/issues/328\nhttps://github.com/Flux159/mcp-server-kubernetes/pull/329\nhttps://github.com/Flux159/mcp-server-kubernetes/commit/d7890f50a4567bf5d9842541ba6f41e180227f9a\nhttps://www.vulncheck.com/advisories/mcp-server-kubernetes-argument-injection-via-kubectl-structured-tools\n","enisa_id":"EUVD-2026-42987\n","assigner":"VulnCheck","epss":2.36,"dataProcessed":"Oct 30, 2026, 7:15:29 AM","vulnerabilityProduct":[{"id":"08ea5bf9-67ec-3310-8c14-4339e9dd70cb","product":{"name":"mcp-server-kubernetes","vendor":{"name":"Flux159"}},"product_version":"0 \u003c3.9.0"}],"vulnerabilityVendor":[{"id":"4dbc4fac-7822-3449-821b-6e55e821de4d","vendor":{"name":"Flux159"}}]}}],"enisaIdAdvisory":[]}