CVE-2026-61459
mcp-server-kubernetes argument injection can expose Kubernetes cluster credentials
Einstufung nach Quelle
Trivys eigenes Label ist CRITICAL. Kritisch laut GHSA.
Beschreibung
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.
Betroffene Pakete und behobene Versionen
| Quelle | Paket | Behoben in |
|---|---|---|
| pip::GitHub Security Advisory pip | mcp-server-kubernetes | 3.9.0 |
Referenzen
- https://github.com/Flux159/mcp-server-kubernetes
- https://github.com/Flux159/mcp-server-kubernetes/commit/d7890f50a4567bf5d9842541ba6f41e180227f9a
- https://github.com/Flux159/mcp-server-kubernetes/issues/328
- https://github.com/Flux159/mcp-server-kubernetes/pull/329
- https://github.com/Flux159/mcp-server-kubernetes/releases/tag/3.9.0
- https://nvd.nist.gov/vuln/detail/CVE-2026-61459
- https://www.vulncheck.com/advisories/mcp-server-kubernetes-argument-injection-via-kubectl-structured-tools