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As of 11/08/2026, mcp-gateway recorded 1 security vulnerability in the last 90 days, of which 1 is rated High or Critical. None of these vulnerabilities is actively exploited (KEV) according to CISA's catalog. CyStack recommends that organizations and individual users apply patches as soon as possible.
CyStack does not yet have sufficient official-source data to identify the latest version of mcp-gateway and determine which vulnerabilities affect that version.
CyStack VulnScan continuously discovers assets, validates vulnerabilities, and helps security teams prioritize remediation across the organization.
CVE-2026-55887MCP Gateway: Argument injection via OCI image label YAML in Docker MCP GatewayCVE-2025-64443DNS Rebinding vulnerability present when running MCP Gateway in sse or streaming mode| Vulnerability | Exploitation status | Fix | Published | Severity |
|---|---|---|---|---|
CVE-2026-55887MCP Gateway: Argument injection via OCI image label YAML in Docker MCP Gateway | Exploitation statusNot exploited | FixYes | Published09/15/2026 | SeverityHigh |
CVE-2025-64443DNS Rebinding vulnerability present when running MCP Gateway in sse or streaming mode | Exploitation statusNot exploited | FixNo | Published12/03/2025 | SeverityHigh |
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