HackTheBox: Kobold River 2026-03-26 HTB Arcane, Docker, Easy, HackTheBox", Linux, MCPJAM, PrivateBin exploiting CVE-2026-23744 unauthenticated RCE in MCPJAM, pivoting through container bind mounts to leak PrivateBin config, then using Arcane to spin up a root container HackTheBox: Kobold This content is password protected. Unlock Incorrect password. Please try again.