LangBot: Authenticated RCE Via MCP Configuration
Any authenticated user can run arbitrary commands through MCP config and fully compromise the LangBot server.

2 CRIT · 7 HIGH · 3 INFO · THREAT RED · 12 items · Generated in 225s
Any authenticated user can run arbitrary commands through MCP config and fully compromise the LangBot server.
Unauthenticated callers can trigger MCP actions using the operator's Meta token and read or modify Meta Ads data.
Unauthenticated SSRF can reach internal services and cloud metadata from the MCP server using any URL.
Unauthenticated SSRF can reach cloud metadata or internal services despite the patch via DNS rebinding.
Authenticated tenants could read or delete other tenants' workflow backups, exposing secrets and breaking tenant isolation.
Unauthenticated requests can run OS commands as the server process, leading to full host compromise if the MCP endpoint is reachable.
An attacker can read sensitive local files the server can access and exfiltrate them through Confluence uploads.
Attackers can read sensitive local files through the MCP tool, exposing secrets, sessions, and credentials.
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