CVE-2026-61459

criticalCVSS 9.8covered by 1 sourcefirst seen 2026-07-10

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.

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Advisory coverage (1)

criticalCVE-2026-61459: MCP Server Kubernetes before 3.9.0 contains an argument injection vulnerability in structured …nvd · 2026-07-10

External references

NVD record for CVE-2026-61459

CVE.org record

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