CVE-2026-55887

MCP Gateway allows easy and secure running and deployment of MCP servers. From 0.21.0 until 0.42.2, Docker MCP Gateway YAML-unmarshalled the attacker-controlled io.docker.server.metadata OCI image label into the broad catalog.Server structure for direct docker:// references and catalog snapshot...

CVE-2026-55887

Docker MCP Gateway (versions 0.21.0 through 0.42.2) is vulnerable to an argument injection via the io.docker.server.metadata OCI image label. The label is YAML-unmarshalled into the broad catalog.Server struct, and runtime-shaping fields such as Volumes , User , and ExtraHosts are appended verbat...