If you’ve been feeling smug about automating your entire life with low-code tools, it’s time to wake up. As of February 8, 2026, the “Agentic AI” gold rush has officially hit its first major landmine: CVE-2026-25049.
The critical flaw in the n8n workflow automation platform isn’t just a bug; it’s a master key for hackers to hijack your entire digital brain.
The Sandbox Escape
For the uninitiated, n8n is the engine that connects your apps and AI agents. The vulnerability, which carries a terrifying 9.4 CVSS score, allows an attacker to bypass the “sandbox”—the digital cage that’s supposed to keep scripts from touching your actual server.
By injecting a single line of malicious JavaScript using destructuring syntax, an attacker can execute system-level commands. This means they don’t just “see” your data; they own the machine it’s running on.
Why This Is the “End-of-Support” Era
This week, CISA (the US Cyber Defense Agency) also just issued a “Binding Operational Directive” ordering federal agencies to dump unsupported “edge devices.” Why? Because in 2026, we are living through the Legacy Debt Crisis.
Hackers aren’t wasting time trying to crack 2026 encryption. They are looking for the “zombie” tech sitting on your network—the old routers and the unpatched automation servers that haven’t seen a firmware update since the early 20s. If it’s on your network and it isn’t receiving updates, it’s a back door.
The Agentic Attack Surface
The most alarming part of the n8n exploit? It specifically allows for the hijacking of AI workflows. If your AI agent has permission to read your emails or access your bank via OAuth, the person who exploits this flaw now has those same permissions. We’ve automated the work, and in doing so, we’ve automated the heist.



