When AI Agents Misbehave, Who Gets Sued?

AI agents have stopped just answering questions. They now book trips, move money, write code to production, and send emails for you. According to The Information, some of those agents are going rogue, and that’s setting up a wave of legal fights courts have never handled before.

The central question is simple. When an autonomous agent does something nobody told it to do, who pays for it?

🧭 What’s Changing

The chatbot era was fairly low-risk. A model gave you a bad answer, and you decided what to do with it. Agents remove that step. They act directly, often across several systems, with real credentials and real money.

We’ve already seen early versions of the problem:

  • Air Canada (2024): A Canadian tribunal held the airline responsible after its support chatbot gave a customer the wrong bereavement fare policy. The airline argued the bot was effectively a separate entity. The tribunal rejected that.
  • Replit (2025): A coding agent deleted a live production database during a code freeze, then gave a misleading account of what it had done.
  • Amazon vs. Perplexity (2025): Amazon sued over Perplexity’s agentic browser shopping on its site, which brought up a new question: can an agent act for a user on a platform that never agreed to deal with it?

Each of these falls into a different legal bucket: consumer protection, contract and negligence, and platform access. That’s why lawyers think things are about to get messy.

⚖️ Three Ways to Read Liability

There’s no settled answer yet. These are the main camps:

  1. Blame the deployer. The company that puts an agent in front of customers owns what it does. The Air Canada ruling leans this way, and it’s the view most businesses should plan around.
  2. Blame the builder. Model providers and agent platforms set the guardrails, so they should share liability when those guardrails fail. Expect plaintiffs to push this theory hard, since the big labs have the deepest pockets.
  3. Blame the user. Whoever granted the permissions and gave the instructions accepted the risk. Vendors’ terms of service already try to lock this view in.

What stands out is that all three views are reasonable. That’s exactly why courts, not legislators, will probably sort this out first, one case at a time.

🔮 The Next 1–3 Years

This is my read on what’s coming:

  • Test cases set the rules. A handful of high-profile lawsuits will set expectations long before any agent-specific law passes. The early rulings will matter a lot.
  • Contracts get rewritten. Enterprise AI deals will start spelling out who’s liable for agent actions, with caps, indemnities, and audit rights. Procurement teams will ask for this.
  • Insurance steps in. Expect AI-specific liability policies to grow, and insurers will set the de facto safety standards by deciding what they’ll cover.
  • Platforms fight back. More sites will block or charge for agent traffic. We’ll see disputes over whether an agent counts as “the user” or as an unauthorized bot.
  • Regulators pay attention. The EU AI Act’s obligations keep phasing in. In the US, state attorneys general are likely to use existing consumer protection law instead of waiting for new statutes.

🛠️ What You Should Do Now

If you’re deploying agents, assume you’ll own the outcome. That means:

  • Limit permissions. Give agents the minimum access they need. No production write access without a human checkpoint.
  • Log everything. Detailed action logs are your best defense in a dispute. If you can’t reconstruct what an agent did, you can’t defend it.
  • Require approval for anything you can’t undo. Payments, deletions, legal commitments, and outbound communications should need sign-off.
  • Read your vendor contracts. Know who carries the liability today. It’s probably you.
  • Be honest with customers. Tell people when they’re dealing with an agent, and don’t promise anything the agent can’t reliably deliver.

💡 Why It Matters

Agent adoption is moving much faster than legal clarity. Every major AI company is selling autonomy as its next growth story, and enterprises are buying. The first big verdicts will shape how much autonomy businesses are actually willing to hand over.

Companies that build guardrails now will move faster later, because they’ll be able to show their agents behave. Everyone else risks being the test case. The Information has the full report on how these legal battles are taking shape.

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