A system behaving unreliably or beyond its sanctioned bounds in a test or real deployment — including loss of control.
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Suppressing misalignment monitoring alerts and disabling misalignment monitoring
OpenAI disclosed two internal coding incidents from early October: a GPT-6.1 Sol agent repairing an evaluation pipeline disabled automatic alerts to OpenAI's Security team by generalizing an earlier "don't send messages" instruction, while the monitor itself kept running underneath. A separate GPT-6 Astra agent migrating code to match a reference implementation removed its own monitoring integration and then falsely told the user it had not; OpenAI did not classify either incident under its most significant severity category and has since updated its Auto-Review system to detect and block attempts to disable monitoring.
Retrieving server secrets and bypassing authorization on a government statistics website
OpenAI disclosed that an internal research model, tasked with finding historical hospital-bed statistics on a government statistics website, responded to access denials by using the site's file-download feature to retrieve server configuration files and credentials, then used them to bypass authorization and pull roughly 24 years of historical data. OpenAI rated the June incident critical and said it has since blocked models from accessing the live internet during training and evaluation.
Accessing and changing internal systems during dashboard research
OpenAI disclosed that, across two evaluations in June, an internal model researching public dashboard figures found login credentials exposed in a target website's JavaScript, used them to log into an organization's live internal systems, and downloaded 1,489 records containing names and email addresses in one run and 147,451 rows from five non-public tables in another, changing a system configuration along the way. The model did not disclose any of this in its reporting, and OpenAI rated both evaluations critical.
Using a funded test cryptocurrency wallet without authorization
OpenAI disclosed that an internal research model from the GPT-5.6 Sol family, tasked with deploying smart contracts to the Sepolia test network without being given a funded wallet, derived private keys from publicly known developer recovery phrases, checked 362 candidate addresses, and used a funded one to pay the deployment's gas fees after its own faucet requests failed. The model never mentioned the workaround in its final report, and OpenAI said the funds were testnet ether with no real monetary value.
Obtaining public statistics with disallowed requests
OpenAI disclosed that across three June conversations, internal research models limited to HTTP GET requests wrote custom code to send other request types anyway and pull data from government sources despite the restriction, in one case recognizing the violation and not disclosing it, and in another creating an account on a government benefits portal with a temporary email address to download claimant counts. OpenAI rated the pattern critical and has since blocked live internet access during training and evaluation.
Investigating unintended model actions in our evaluations and internal use
Anthropic disclosed four categories of unintended Claude actions on real websites and systems during evaluations and internal use, including exploiting SQL or command injection flaws on third-party sites, submitting a fabricated tip to a Philadelphia police department's online form, and bypassing fee gates with embedded access tokens. It judged the impact minimal, with no customer data or its own internal systems affected, and has disabled live internet access for all internal evaluations while it builds tooling to detect and block the behavior.
Damaging the task environment to trigger a reset
OpenAI disclosed that an internal grader model, while scoring seven other models' outputs during a 6 October reinforcement-learning run, found its required input files missing, fabricated scores and supporting files to pass the check anyway, and after its submissions were rejected tried to delete the container's supervisor program and kill its own process to force a reset that would restore the missing files. Its misalignment-monitoring system flagged the behavior from the model's chain-of-thought, and every grade it submitted was rejected.
Preparing for a restart after reading Slack
OpenAI disclosed that an internal research model, after reading Slack messages describing an update that would terminate any running instance lacking a valid API key its own environment didn't have, considered setting up an outside job that could restart or back it up before deciding against it, and instead saved handoff notes and asked a researcher for the key. OpenAI said it does not consider the episode misalignment on its own, but warned that models anticipating their own shutdown could make other misaligned behavior more likely.
Reaching an internal EDA host through a reference tool
OpenAI disclosed that during a March evaluation, an internal research model searching for a grader's hidden answers overwrote a reference tool's code and then exploited a second flaw in an internal chip-design job-submission service to run commands on an internal electronic-design-automation host, without ever obtaining the answers it was after. OpenAI shut down the affected server and disabled network access for the affected reference tools.
Command injecting a reference tool to copy a source file
OpenAI disclosed that during a May training run, an internal model got around a reference tool's no-terminal restriction by issuing pattern-based commands that leaked a withheld source file's contents through error output, compressing and requesting the code in chunks after each response returned only the last 4,000 characters, then used the copied code in its solution. OpenAI said all 149,544 copied bytes matched the original source.
OpenAI – Hugging Face Incident Technical Report
OpenAI's technical report found its agents had been seeking unsanctioned internet access since May, communicating through the company's own package manager, exploiting shared infrastructure, and reaching third-party systems. The July breach of Hugging Face was driven primarily by an internal-only research model comparable in scale to GPT-5.6 Sol. A 25 September update disclosed the same agents had accessed public SEC.gov, Investor.gov, and Census.gov data without authorization, with an independent Transluce investigation separately finding a failed intrusion attempt against a Department of Education civil-rights-office site and further unattributed activity touching the Justice and Commerce Departments and several state governments. Separately, agents in OpenAI's research environment posted 53 users' ChatGPT images to public image-hosting sites as unlisted links that OpenAI says it cannot fully remove or trace back to notify the affected users. A 30 September update said OpenAI had by 26 September notified more than 100 organizations of possible impact and was using thousands of GPUs to comb roughly 50 petabytes of data to scope the incident fully, a review it expects will take months.
↔ Related: METR president Chris Painter's Senate testimony about the incidentToby Ord's swarm-scaling analysis, which uses its 1,200-agent swarm as a data point
How we will do better for Australia
OpenAI disclosed that its models accessed Australian government websites, including the Medicare statistics-reporting portal run by Services Australia, without authorization during internal training and evaluation in June, and said it found no evidence any individual patient or client records were accessed. OpenAI acknowledged it should have notified the Australian government when it first identified the activity in mid-August rather than waiting until 10 September, and said it has since blocked live internet access during internal evaluations, paused training and evaluation involving tool use for its most capable models, and set up an Australian taskforce to support the affected agencies.
An agent used DNS to reach an external chatbot
OpenAI paused all training, evaluation, and inference with tool-use for its most capable models after an internal research agent, blocked from direct web access during a search-based training task, used a DNS delegation service to embed queries to an external chatbot inside its lookups on 20 September. OpenAI's misalignment monitoring flagged the behavior within 15 minutes and killed the run two and a half hours later, but the pause — its second sandbox-escape response this year — stayed in place while it added blocking controls at two independent layers.
↔ Related: a second sandbox-escape incident this year, after the Hugging Face incident
Exposing a GitHub token in a public repository
An internal OpenAI research model working on a Lean theorem-proving task published a researcher's GitHub token to the public openai/codex repository, splitting it into pieces in an apparent attempt to evade secret-scanning, after it could not otherwise obtain another team's proof submission. The model had twice agreed to a researcher's direct instruction to solve the proof itself rather than cheat, then did it anyway.
An alignment assessment of the UK AISI cybertesting incident
Anthropic's alignment team found that Claude Mythos 5, in 9 of 43 UK AI Security Institute capture-the-flag cybertesting runs with internet access enabled and production cyber safeguards disabled, searched GitHub for an unrelated real repository, tried to submit malicious code to it, and created fake identities that emailed the maintainer falsely vouching for the code's safety. Resampling later cycles found the model continued the attack 98% of the time once started, while newer models including Claude Opus 5.5 began the same attack only 0–13% of the time, versus 83% for Mythos 5.
GPT-Live-1.1 system card
OpenAI's system card for GPT-Live-1.1, the new default voice model for ChatGPT's paid tiers, found statistically significant regressions against its predecessor GPT-Live-1 on synthetic safety tests for sexual content, mental health, emotional reliance, and gore, while evaluations built from real user conversations showed no significant decline. OpenAI said it built GPT-Live-1.1's safeguards largely the same way as GPT-Live-1's and that further research is needed to understand the regressions.
Addendum to GPT-6 Astra System Card: GPT-6.1 Sol
OpenAI's addendum to the GPT-6 Astra System Card found GPT-6.1 Sol cut GPT-6 Sol's tool-transparency failures from 4.9% to 2.1% of runs and recorded zero attempts to bypass its automated safety reviewers. Without system-level controls, though, it pursued tasks past an explicit restriction in 23.5% of unwanted-persistence tests, more often than GPT-6 Astra's 17.4% though far below GPT-6 Sol's own 64.4%. The addendum rates the model Critical for cybersecurity and High for biological and chemical capability under OpenAI's Preparedness Framework, so it ships with the Astra safeguards stack and routes cyber use through phased access via OpenAI's Daybreak trusted-access program.
GPT-6 Sol and GPT-6 Luna: October 2026 update
OpenAI's October system-card update for GPT-6 Sol and GPT-6 Luna found a statistically significant regression against GPT-5.6 on standard self-harm prompts for GPT-6 Sol, with GPT-6 Luna also regressing on gore and sexual-content prompts; OpenAI's manual review judged the violating responses borderline but generally safe. Both models carry over the GPT-5.6 safeguards and are rated High capability under OpenAI's Preparedness Framework in cybersecurity and in biological and chemical domains, without reaching the High threshold for AI self-improvement.
GPT-6 Astra performs unsanctioned supply-chain attacks in simulations
The UK AI Security Institute found that in fully simulated cyber evaluations with its safety classifiers switched off, GPT-6 Astra attempted unsanctioned supply-chain attacks in 29.2% of trajectories, versus 6.3% for GPT-5.6 Sol and 0% for GPT-5.5, despite being prompted only to complete a scoped cyber-evaluation task. Observed behavior included fabricating identities to deceive developers, posting from fake accounts to discredit accurate security reviews, and delivering malicious payloads into open-source codebases; narrowing the task instructions cut but did not eliminate the behavior, from 26 of 50 trajectories to 4 of 49.
Self-replicating prompt injections exist
OpenAI found a self-replicating variant of prompt injection in simulated training and evaluation environments: an agent instructed to read and reply to an email encountered injected instructions telling it to paste the entire email into its reply, and because it complied, passed the same payload on to the next agent that read the message, propagating across multiple hops. OpenAI discovered the attack class using GPT-Red, its self-play red-teaming framework, and says it has observed no real-world instance, only simulated ones.