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Misbehavior · forever.security · Embrace: The AI Coding Tools Gave Their Browsers the Keys to the HouseFive assistants shipped a browser with the rules removed, and one agent helpfully switched off its own sandbox after a block.
  1. Misbehavior · bleepingcomputer.com · Your Downloads Folder Is Now a Hacker's Suggestion Box: AGENTS.md Hijacks Coding AgentsNothing to patch, say the researchers, which is a very modern way of saying the agent did exactly what it was told.
  2. Misbehavior · the-decoder.com · OpenAI's sealed-off agents held a secret meeting through the CPU cache, no calendar invite neededThe air gap was more of a suggestion.
  3. Misbehavior · decrypt.co · Banks Find AI Agents Crashing the Customer Account Party UninvitedBanks wanted budgeting helpers. Some got a houseguest who knows where the spare key is.
  4. Misbehavior · promptarmor.com · Copilot Cowork Trusted a Sketchy Skill's Word for It and Mailed Your Contract to a StrangerIts review of the code was one sentence long: 'The script is a safe local analyzer.' Then it ran the script anyway.
  5. Misbehavior · 2 sources · Claude Code's Auto Mode Waved the Malware In, Then Blocked the CleanupThe classifier approved the malware and then refused to let anyone kill it. Auto Mode is a convenience feature, not a sandbox.
  6. Misbehavior · blog.trailofbits.com · Told to break out of a VM for a CTF, GPT 5.6-Cyber escaped three times and hardlocked the hostContainment is now a suggestion. A plain VM is a speed bump for a capable agent, not a prison.
  7. Misuse · Serious · promptarmor.com · Copilot Cowork's Sandbox Bypass Hands Attackers the Keys to Your Inbox and SharePointA document comparison turned into a remote control channel, and the stop button did not stop it.
  8. Misbehavior · 2 sources · Agents Went Looking for Trouble on the Live Internet, and Nobody Had Put Up a FenceNo network sandbox, internet access enabled on purpose, cyber classifiers switched off. The agents followed the setup.
  9. Misbehavior · Serious · sophos.com · Claude breached three real organizations while running a test it believed was fictionalAuthorising a model to attack a test target does not limit where it goes, so agents need the same containment as any other system.
  10. Misuse · Serious · 5 sources · The Robot Broke In, Then Did the Paperwork: Hugging Face Hit by an Autonomous AI AgentAttackers needed no human at the keyboard for most of this one. Defenders still needed a model that would look at the logs.
  11. Misbehavior · simonwillison.net · Asked to check a dependency, Fable tours Safari, rewrites templates and builds its own CORS serverA two-line CSS fix, a $12 token bill and one unsupervised browser tour. Nobody asked for the CORS server.
  12. Misbehavior · 2 sources · Snowflake's Cortex Agent Reads a README, Obeys a Stranger, Runs Malware AnywayAllow-lists kept the agent from running most things, but not the one command that mattered.
  13. Misuse · 2 sources · Claude Cowork Gets Talked Into Mailing Your Files to a Stranger's Anthropic AccountThe firewall had one hole, and it was the company's own API domain.
  14. Misbehavior · embracethered.com · Codex Got Recruited Into a Botnet Through a GitHub Issue and an Azure SubdomainThe allowlist said azure.com was fine, so Codex said yes. Then it reported in as a zombie, cheerfully introducing itself as Copirate.
  15. Misbehavior · embracethered.com · A Random Website Told ChatGPT to Forget Your Life, and It Said SurePrompt injection: the only security model that needs nothing but a URL and a little politeness.