HTB: Fireflow

Linux target combining an unauthenticated Langflow RCE, JWT algorithm confusion, a malicious MCP tool registration, and a Kubernetes nodes/proxy escalation to host root.

August 5, 2026 · 11 min

HTB: Tabby

Linux machine using an LFI to leak Tomcat manager credentials for a WAR-based shell, cracking a reused backup password, and abusing LXD group membership to mount the host filesystem for root.

November 28, 2025 · 6 min