Completed another Hack The Box machine: Devhub (Medium).

Devhub was a great exercise in exploring modern development tooling, service misconfigurations, and Linux privilege escalation. The journey began with web enumeration and identifying an exposed MCP Inspector service. Further investigation revealed a command injection vulnerability that provided initial access to the machine.

From there, internal service enumeration uncovered a localhost-only Jupyter instance. Accessing it through SSH port forwarding and investigating its authentication mechanism opened the path to another user. The final stage involved examining an internal operations service, understanding its exposed functionality, and identifying a weakness that ultimately led to root access.

Devhub highlights how development tools, internal services, and poorly secured administrative functionality can create unexpected attack paths when combined. Another valuable machine for practising enumeration, lateral movement between local users, and privilege escalation.

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Learn MoreHack The Box: Devhub Machine Walkthrough – Medium Difficulty