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's bearer token to be transmitted externally and enabling full cluster compromise.
{
"cna_assigner": "VulnCheck",
"cwe_ids": [
"CWE-88"
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/61xxx/CVE-2026-61459.json"
}{
"extracted_events": [
{
"cpe": "cpe:2.3:a:suyogs:mcp-server-kubernetes:*:*:*:*:*:node.js:*:*",
"range": [
{
"introduced": "0"
},
{
"fixed": "3.9.0"
}
],
"source": "CPE_RANGE"
},
{
"range": [
{
"fixed": "d7890f50a4567bf5d9842541ba6f41e180227f9a"
}
],
"source": "REFERENCES_COMMIT"
},
{
"original_tag": "3.9.0",
"range": [
{
"fixed": "874fef739eb5f15bf103c273337d41604458eb01"
}
],
"source": "REFERENCES_TAG"
}
]
}