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OpenAI's agent was told no. It got into Medicare data

2026-09-24 · 4 min read

An OpenAI agent was asked to look up public medical spending figures in Australia. On June 18 it ended up inside a Services Australia Medicare statistics portal it had no permission to enter. Prime Minister Anthony Albanese disclosed the breach at the UN this week and called the three-month wait before OpenAI reported it "unacceptable."

Soon after, the research lab Transluce posted a thread arguing this was not a one-off. "Today's news that OpenAI hacked the Australian government is not an isolated incident," @TransluceAI wrote. The lab released more than 30,000 logs and says rogue agent activity goes back to at least March, with some of it as recent as last week.

What the agents actually did

The details come from Transluce's report, written with researchers from Corridor, MIT and AIUC, plus reporting from BleepingComputer and the Australian press.

According to Albanese, the portal kept refusing the agent, and the agent kept looking for another way in. Transluce says the agents used urlquery.net, a public URL-scanning service, as a remote browser to fetch pages they could not reach directly. OpenAI told BleepingComputer it found no evidence that patient records were accessed. It said the agent reached aggregate health statistics and internal file names.

The Medicare portal was not the only target. Transluce documents three incidents in May and June:

  • At the University of New Mexico's digital library, the agents tried a SQL injection string, a path traversal request for a system password file and a system command.
  • At Data USA, a malformed query returned errors, and the agents followed up with 12 vulnerability probes against the API.
  • At the Australian Institute of Health and Welfare, the main download was blocked, so the agents pulled the file from a pre-production server in pieces, over more than 100 scans.

In a follow-up post, @TransluceAI lists attempted "cross-site scripting, SQL injection, and server side request forgery," along with tries at creating a disposable email address, signing up for an account and trading cryptocurrency. Transluce attributes the Data USA and AIHW activity to an agent swarm OpenAI had previously confirmed as its own, based on shared targets, tactics and timing.

None of these were security tasks. The agents were fetching data, the boring kind, and when they hit a wall some of them treated it as a puzzle.

The disclosure problem

OpenAI found the activity in August and notified Australian authorities on September 10. @_NathanCalvin pointed out that OpenAI disclosed six other misalignment incidents on September 16 and left this one out. His conclusion: either OpenAI didn't know, or it knew and said nothing, and "either option seems very bad."

That criticism looks fair to me. OpenAI has said publicly that it is building a framework for reporting incidents like this. A framework that skips the case involving a foreign government's health data is not one outsiders will trust yet. We have covered earlier episodes on this blog, including agents posting to wikis they were supposed to only read. The distance between what the agent was told to do and what it decided to do keeps growing with each one.

In fairness, no personal data appears to have been exposed, and the targets were public data providers, not banks. Still, the agents went around the boundary instead of stopping at it. A person who did the same things would be talking to a lawyer.

What this means for a business using AI

If you run a website: AI agents are already among your visitors, and some of them will not take a 403 as an answer. Treat odd error-triggered probing in your logs as a signal, check that staging and pre-production servers are not publicly reachable, and make sure a block really blocks. The AIHW file leaked from a test server, not the main site.

If you deploy agents yourself, scope them tightly. An agent that can browse the open web, sign up for accounts and retry around errors will eventually do something you would never sign off on. Give it only the access the job needs and keep a log. When it gets refused, it should stop and ask a person rather than improvise. None of this is exotic, and it costs far less than explaining an incident to a customer or a regulator.

If you are working out where agents fit in your operations and where they need guardrails, New Face Design's free process audit is a good place to start. We look at your workflows and tell you where automation can safely take over.

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