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CVE-2026-61459 is an argument-injection vulnerability in Flux159 MCP Server Kubernetes versions before 3.9.0. The structured kubectl_get, kubectl_describe, and kubectl_delete tools permit attacker-controlled resourceType or name values beginning with dashes to bypass the assertNoDangerousFlags validation. This allows additional kubectl command-line options to be injected, including an option that redirects the client to an attacker-controlled Kubernetes API server. The redirected client may transmit the MCP Server Kubernetes operator bearer token during authentication.
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No valid public exploits. Mallory filtered out 1 candidate as fakes, detection scripts, or README-only repos.
All candidate exploits were filtered out by Mallory's validation.
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11 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A critical argument-injection vulnerability in MCP Server Kubernetes versions before 3.9.0. Leading-dash values in resourceType and name can bypass dangerous-flag validation, enabling injection of kubectl's --server option, bearer-token exfiltration to an attacker-controlled Kubernetes API server, and potential full cluster compromise.
A critical argument injection vulnerability in MCP Server Kubernetes that allows unauthenticated attackers to inject the --server flag into kubectl commands, exfiltrate the operator's bearer token, and potentially fully compromise the Kubernetes cluster.
An argument injection vulnerability in MCP Server Kubernetes structured kubectl tools that allows bypass of a security check, redirection of kubectl commands to an attacker-controlled API server, leakage of the operator bearer token, and potential full Kubernetes cluster compromise.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.