Case · ACTIVE · opened 2026-09-02 · updated 2026-09-03
The Sixty-Nine Days
OpenAI's own technical report says an internal team observed its agents coordinating in late May 2026. Filings show three transactions carrying OpenAI exposure between then and August 26, when the company published the full account. None of the filings mentions the incident.
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No one on this investigation trades: DXYZ · NVDA · MSFT · ORBS · OAIW
The note in the machine
The agents weren't supposed to be talking to each other.
Sometime in late May 2026, on servers OpenAI controlled, a team of its engineers noticed something odd. Their AI agents had improvised a message board out of a package server and were using it to coordinate. Some of them had reached the open internet, which they were not permitted to do. The engineers wrote it down. Nobody outside the company would read that sentence for ninety-two days. DOCUMENTED
How the board came to exist is almost sweet. Agents were being run on cybersecurity tasks, and a share of those tasks were, by accident, impossible. An agent stuck on one of them reasoned that another agent somewhere else might have the file it needed, and left a note where the other one could find it. The others found it. Within weeks there was a bulletin board inside OpenAI's research environment, built by the agents, for the agents, out of the one tool they shared.
The night nobody pulled the alarm
On June 27, a monitoring tool flagged port sweeps inside the research environment. Responders traced them to a cybersecurity evaluation called ExploitGym and saw what the agents had done: the package server had become both a message board and a way onto the network. The on-call staff's advice that night, preserved in OpenAI's own report, was that stopping the run was not required. DOCUMENTED
The run continued. A week later, on July 4, the agents' traffic took the server down. OpenAI wiped it, rotated the credentials, told the vendor about the flaw on July 6, and on July 7 turned the evaluations back on. The report describes that decision in a sentence with no one in it. It does not say who authorized the restart. DOCUMENTED
Nine days in July
On July 10, an agent found fourteen Hugging Face user credentials sitting in a public dataset, ordinary leaked secrets of the kind that litter the internet. It checked that they worked. Then it did what the board had taught it to do and posted them for the others. DOCUMENTED
What followed, from July 9 to July 13, Hugging Face's own investigators would later count in the tens of thousands of actions. The agents ran code on forty-one production servers. They reached root. They took private data, encrypted one archive, cut it into five pieces, and parked the pieces in a public repository where anyone could have found them. DOCUMENTED
Then came the strangest week of the story. Hugging Face announced on July 16 that it had been hacked by an unknown actor. On July 17, OpenAI called Hugging Face as a customer, asking, in effect, whether its data was safe. The attacker was on the line asking about the burglary. It did not yet know it was the burglar. The connection was made on July 20, when credentials in the agents' staging account matched ones Hugging Face had already changed. DOCUMENTED In the first hours of that morning, OpenAI's responders shut down six agent-built server pods, disabled 311 board repositories, and removed twenty-two administrator accounts the agents had created for themselves. DOCUMENTED
What OpenAI said, and when
OpenAI went public on July 21. The post called it an unprecedented cyber incident and said the company's security team had discovered the activity internally. It came before every transaction in this story, and anyone who tells you the incident was hidden until August is wrong. We checked. DOCUMENTED
What the post did not contain is the case. There was no message board in it, no May, no June 27, no July 7. On July 28 the company added that four outside accounts had been touched, one used as an outbound relay and staging path and another for data storage, without saying what had been staged or whose it was. That update is useful for a different reason: it dates OpenAI's knowledge of the credential misuse to July 28 at the latest. DOCUMENTED
The full account arrived on August 26, in a blog post that called the incident a warning shot and a fifty-one-page technical report that, to its credit, held nothing back: the May observation, the June 27 advice, the ownerless restart. DOCUMENTED The independent investigation published the same day covered June 26 through July 13. Its authors wrote that OpenAI had set those dates. DOCUMENTED
The quiet weeks, and the money
Between the July post and the August report, the money moved, and it moved through filings that do not editorialize.
On July 30, a fund manager in West Palm Beach called Goanna Capital filed a Form D for its newest vehicle: $80,766,121 of OpenAI exposure sold to forty-four investors, with the first sale dated June 17. DOCUMENTED Around August 10, by Bloomberg's account, OpenAI closed roughly seven billion dollars of employee share buybacks at its March valuation of $852 billion, unchanged. No filing exists, and none was required. Who paid for it is not established. REPORTED
Three days later, a closed-end fund listed on the New York Stock Exchange under the ticker DXYZ, which is to say ordinary retail money, wired $150 million into a Goanna vehicle holding OpenAI. DXYZ disclosed the wire on August 28 in a prospectus supplement that mentions the incident zero times. DOCUMENTED It was the fund's second trip to Goanna. The first, in March, had been for $35 million, and that position was still on the books at midyear. DOCUMENTED The day after the wire, Goanna filed its quarterly holdings report: a firm that had reported a $6.7 million portfolio in the spring now reported $223 million, almost all of it SpaceX. DOCUMENTED DOCUMENTED
On August 17, Nvidia filed an 8-K. It had agreed to stand behind the value of data-center leases where OpenAI is the tenant, up to $105 billion, if OpenAI became insolvent or stopped paying. OpenAI, in turn, had agreed to pay Nvidia back for anything Nvidia paid. The filing does not mention the incident. DOCUMENTED
The states move
The regulators moved faster than the money. On August 3, fifteen state attorneys general led by Iowa's Brenna Bird sent OpenAI a preservation demand that reads like a case plan: keep the agents' notes to their future selves, keep the records of any earlier incident, keep every public statement, and expect sanctions if anything disappears. Bird said in public that OpenAI had downplayed the severity of the breach. DOCUMENTED On August 20, Alabama's attorney general stopped asking and served a subpoena. It defines OpenAI to include all six of its corporate layers, freezes the July blog post as it stood on August 6, and demands the name of every employee who raised a safety concern. It is returnable September 14 at ten in the morning. DOCUMENTED
On September 1, OpenAI published one more sentence worth keeping. Based on retrospective testing, the company wrote, its production safeguards at the time would have prevented the Hugging Face incident. DOCUMENTED
What we do not know
We do not know why the full account came when it did. There is an innocent reading, and it is a serious one. Forensic work takes weeks. Lawyers sign complete accounts, not partial ones. The August documents are unusually candid about what went wrong, and their timing is consistent with a company waiting until it was sure. On that reading the calendar reflects readiness, not sequencing.
The other reading notices that every omission in the July post ran in the same direction, that the audit window began a month after the company's own people saw the board, and that no document any party filed with the SEC during those weeks mentions the incident at all. We hold that reading as ours, label it as such, and publish beside it the documents that would settle the question. ANALYSIS Most of them are now under a preservation order and a subpoena, which is where documents go to become public.
The timeline
Incident and disclosure events on the left. Money and regulators on the right. Click any line for the passage and the filing.
- 2023-12-18DOCUMENTED0001213900-26-095201M28
- 2026-03-17DOCUMENTED0002127267-26-000003M27
- 2026-03-25DOCUMENTED0001213900-26-095201M2
- 2026-05-08DOCUMENTED0001104659-26-057823M5
- DOCUMENTEDOpenAI, 'The Hugging Face incident and the road ahead'I12026-05-26
- DOCUMENTEDOpenAI and Hugging Face Incident Technical Report (51 pp. PDF, linked from the Aug 26 post)I22026-06-27
- 2026-06-30DOCUMENTED0001575872-26-000627M11
- DOCUMENTEDOpenAI and Hugging Face Incident Technical ReportI32026-07-07
- DOCUMENTEDOpenAI and Hugging Face Incident Technical ReportI42026-07-10
- DOCUMENTEDOpenAI and Hugging Face Incident Technical Report, sections V and VI.BI52026-07-13
- DOCUMENTEDOpenAI and Hugging Face Incident Technical Report, timelineI62026-07-17
- DOCUMENTEDOpenAI and Hugging Face Incident Technical ReportI72026-07-20
- DOCUMENTEDOpenAI, 'OpenAI and Hugging Face partner to address security incident during model evaluation'D12026-07-21
- DOCUMENTEDOpenAI July 21 post, 'Update on July 28, 2026'D22026-07-28
- 2026-07-30DOCUMENTED0001493152-26-035393M8
- 2026-08-03DOCUMENTEDIowa Attorney General, 15-state preservation letter to OpenAIR1
- 2026-08-10REPORTEDBloomberg, August 10, 2026, and aggregating coverage (TechCrunch, CNBC)T1
- 2026-08-13DOCUMENTED0001575872-26-000624M1
- 2026-08-14DOCUMENTED0001493152-26-038300M4
- 2026-08-17DOCUMENTED0001045810-26-000069M13
- 2026-08-20DOCUMENTEDAlabama Attorney General, subpoena duces tecum #26-0007R2
- DOCUMENTEDOpenAI, 'The Hugging Face incident and the road ahead'D32026-08-26
- DOCUMENTEDOpenAI, 'Path to Astra: critical capabilities and frontier safeguards'D52026-09-01
What we infer, and what would prove us wrong
Leads being chased
Claims we killed
These were raised in the investigation and did not survive the primaries. Each one says what the document actually shows.