Plan
active
Tailscale SSH Flaws Enable Lateral Root Access via Compromised Nodes
- Engineer — Plan: Any environment using Tailscale’s built-in SSH server has a lateral-movement exposure: a compromised node could pivot to root-level access on adjacent servers. No KEV or PoC signals, but the blast radius is high — update all Tailscale agents to 1.104.4 and audit which nodes have Tailscale SSH enabled.
- SOC/IR — Learn: No active exploitation or IOCs reported, so no immediate hunt work; file this as a lateral-movement technique to understand — a compromised Tailscale-managed host could be leveraged for stealthy root-level pivoting across the mesh, worth noting if Tailscale SSH appears in your estate.
- Leader — Skip
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