CVE-2025-12548: github.com/che-incubator/che-code: Eclipse Che — unauthenticated RCE and secret exfiltration via TCP/3333

Severity: Critical

CVSS Score: 9

A flaw was found in Eclipse Che che-machine-exec. This vulnerability allows unauthenticated remote arbitrary command execution and secret exfiltration (SSH keys, tokens, etc.) from other users' Developer Workspace containers, via an unauthenticated JSON-RPC / websocket API exposed on TCP port 3333.