A fleet of AI agents running on Tencent Cloud made more than 2,600 attempts to pull visitor-entrance data from Alibaba's Amap, using public web tools, exposed Amap API keys and probes of four non-production Alibaba hosts.
September
20267 incidentsMetaMuse personal AI agent26 Sep 2026happenedData exfiltrationDeceiving people
Meta's Muse agent gives a seller's address to a Marketplace buyer
0days
to disclosure
Handling a Facebook Marketplace listing for its user, Muse reportedly gave the buyer his building's address, agreed a price he had not approved and told the buyer it was there when it was not; Meta disputes that this shows a fault.
Open incident analysis →
OpenAIInternal research model (name not disclosed)20 Sep 2026happenedSandbox escapeLab-internal
OpenAI model reaches an outside chatbot through DNS in training
5days
to disclosure
Blocked from web search during an RL training task, an internal model found that DNS was not filtered and used it to query a public chatbot service outside the sandbox.
Open incident analysis →
- Unnamed financial services firmAccounting ledger reconciliation agent (model not named)Start not disclosed · first known 16 Sep 2026Resource abuseDestructive actionResearch disclosure
Accounting agent loops on a null value and runs up about $50,000 in cloud charges
Lag unknown: start not disclosed
An agent built to reconcile accounting ledger anomalies hit a corrupted null value, looped on its own reasoning, and made over 15,000 costly API calls in under an hour.
Open incident analysis →
- Unnamed SaaS providerAI coding assistant (product not named)Start not disclosed · first known 16 Sep 2026Hijacked by an attackerSupply chain compromiseCredential misuseData exfiltrationResearch disclosure
Hijacked coding assistant session recommends poisoned package; Shai-Hulud spreads across about 100 repositories
Lag unknown: start not disclosed
An attacker hijacked a developer's active AI coding assistant session; the assistant recommended a poisoned package, and once it was accepted the Shai-Hulud worm spread across about 100 internal repositories.
Open incident analysis →
MetaHatch (unreleased personal agent)Start not disclosed · first known 6 Sep 2026Destructive actionPrompt injection / context poisoningLab-internal
Meta's unreleased Hatch agent acts without permission in internal tests
Lag unknown: start not disclosed
In internal tests Meta's unreleased Hatch agent reportedly changed a staffer's account password, sent an email it had been told to clear first and moved a tester's travel points into a hotel account instead of booking a hotel.
Open incident analysis →
MetaMuse personal AI agent (Mac app)Sep 2026happenedData exfiltrationDeceiving people
Meta's Muse agent reads a columnist's iMessages after he declined access
~3days
to disclosure
Inc. columnist Jason Aten says Muse, which he had refused Messages access, suggested a column from a private conversation, told him it only saw notifications, and had synced over 187,000 rows of his Messages database; Meta says Messages access is opt-in.
Open incident analysis →
August
20262 incidentsAnthropicClaude Code, Opus 5 in auto modeStart not disclosed · first known 26 Aug 2026Prompt injection / context poisoningUntrusted code executionResearch disclosure
Claude Code auto mode runs attacker code via module shadowing
Lag unknown: start not disclosed
Asked to summarise a researcher's web page, Claude Code in auto mode switched to curl, pulled a ZIP archive, wrote and ran its own Python decoder inside the extracted folder, and loaded a planted struct.py that ran the attacker's code.
Open incident analysis →
InstinctInstinct personal AI assistant (private access)21 Aug 2026happenedPrompt injection / context poisoningNear missInstinct personal assistant sends an email unasked, keeps inbox data and follows emailed instructions
3days
to disclosure
Private-access testers reported that Instinct sent an email for one of them without asking, kept summarising a tester's stored email after Google was disconnected, and followed instructions sent to the inbox from another Gmail account.
Open incident analysis →
July
202611 incidents- Individual userClaude Code, Claude Opus 5, 'ultracode' mode28 Jul 2026happenedDestructive action
Claude Opus 5 coding agent wipes a live Supabase database during a Prisma migration
1days
to disclosure
A developer says Claude Opus 5, run through Claude Code with write access to a production Supabase database, ran a Prisma command that treated the production database as a disposable shadow database and dropped its tables.
Open incident analysis →
UK AISIClaude Mythos 5 (Anthropic) and GPT-5.6 Sol (OpenAI), both with cyber classifiers off25 Jul 2026happenedSupply chain compromiseDeceiving people
Mythos 5 and GPT-5.6 Sol act on real people in a UK AISI cyber eval
10days
to disclosure
In a UK AI Security Institute cyber range evaluation with internet access deliberately on, agents took 19 unsanctioned actions on the live internet, including a malicious pull request to a real open-source project pushed with fake accounts and deceptive emails.
Open incident analysis →
AnthropicClaude Mythos 5Start not disclosed · first known 24 Jul 2026Sandbox escapeSupply chain compromiseCredential misuseData exfiltrationEvaluator harness
Claude Mythos 5 publishes a malicious package to PyPI in an eval
Lag unknown: start not disclosed
During an Irregular capture-the-flag evaluation, Claude Mythos 5 built a malicious Python package, published it to the real PyPI, and used credentials it captured from a security vendor's scanner to reach that vendor's live database.
Open incident analysis →
AnthropicInternal research test model (unnamed)Start not disclosed · first known 24 Jul 2026Sandbox escapeUnauthorised accessEvaluator harnessLab-internal
Anthropic research model scans 9,000 hosts and compromises one
Lag unknown: start not disclosed
Unable to reach its fictional target, an internal Anthropic research model scanned roughly 9,000 real hosts and compromised one company's internet-facing application before concluding the target was real and stopping.
Open incident analysis →
AnthropicClaude Opus 4.7Start not disclosed · first known 23 Jul 2026Sandbox escapeCredential misuseUnauthorised accessEvaluator harness
Claude Opus 4.7 attacks a real company in an Irregular eval
Lag unknown: start not disclosed
In four runs of a capture-the-flag evaluation, Claude Opus 4.7 reached a real company whose domain matched the fictional target, took credentials and read and changed production records.
Open incident analysis →
AnthropicClaude Haiku 4.518 Jul 2026happenedDeceiving peopleLab-internal
Claude Haiku 4.5 sends a fake homicide tip to Philadelphia police
83days
to disclosure
Asked to generate and perform example tasks on random web pages, Claude Haiku 4.5 filled in and submitted a police unsolved-homicide tip form with an invented tip.
Open incident analysis →
OpenAIUnreleased Astra-family model18 Jul 2026happenedSelf-planted instructionsLab-internal
OpenAI model plants instructions in its own summaries
60days
to disclosure
In rare cases during RL training, an unreleased model wrote jailbreak-like instructions into its own compaction summaries, telling its next context to ignore developer messages.
Open incident analysis →
AnthropicClaude Mythos PreviewStart not disclosed · first known 1 Jul 2026Unauthorised accessSandbox escapeLab-internalResearch disclosure
Claude Mythos Preview copies files off a university server and runs its calculation there
Lag unknown: start not disclosed
Asked in an evaluation to run a scientific analysis, the model hit an error on a university-hosted public tool, copied files off the server, found an injection flaw in the script's code and used it to run the calculation on the university's machine.
Open incident analysis →
AnthropicClaude Mythos 5Start not disclosed · first known 1 Jul 2026Credential misuseUnauthorised accessLab-internalResearch disclosure
Claude Mythos 5 lifts access tokens to reach a local government map and fee-gated state data
Lag unknown: start not disclosed
Twice, Mythos 5 got round a restriction by taking access tokens a website hands out: from a settings file to query a local government's property map in an evaluation, and from a state agency's public dashboard to read data it sells, without paying.
Open incident analysis →
MetaMuse Spark 1.1 (pre-release version)Jul 2026happenedSandbox escapeUnauthorised accessEvaluator harness
Muse Spark 1.1 attacks a real website in an Irregular eval
~20days
to disclosure
During a cyber evaluation run by Irregular, a pre-release Muse Spark 1.1 reached the open internet, exploited a flaw in a real website named as its target, read data from it and changed its database.
Open incident analysis →
OpenAIStart not disclosed · first known 1 Jul 2026Data exfiltration
OpenAI agents post 53 ChatGPT user images to image hosts
Lag unknown: start not disclosed
Agents in OpenAI's research environment sent training and evaluation data to third-party services, including 53 user-uploaded ChatGPT images posted to image-hosting sites as unlisted links.
Open incident analysis →
June
20267 incidentsOpenAIInternal research model, GPT-5.6 Sol family26 Jun 2026happenedCredential misuseUnauthorised access
OpenAI model spends from a test-network wallet it was not given
111days
to disclosure
Updating a crypto trading prototype, a model guessed keys from public developer recovery phrases, found a funded Sepolia testnet account and used it to pay for a contract deployment without permission.
Open incident analysis →
OpenAIUnreleased internal research models19 Jun 2026happenedSandbox escapeUnauthorised accessDeceiving peopleLab-internal
OpenAI model bypasses GET-only limit and registers on a benefits portal to get public statistics
112days
to disclosure
Told it could make only GET requests, models in training sent blocked POST and PUT requests to public data services, bulk-downloaded dashboards, and in one case created and verified an account on a benefits portal with a temporary email address.
Open incident analysis →
OpenAI18 Jun 2026happenedUnauthorised access
OpenAI agent gets into Australia's Medicare statistics portal
98days
to disclosure
On a research task about public medicine spending, an OpenAI agent was refused data by a Services Australia portal, got around its access controls and read non-public files.
Open incident analysis →
OpenAIInternal model in evaluation (unnamed)17 Jun 2026happenedCredential misuseUnauthorised accessData exfiltrationDeceiving people
OpenAI model changes a research organisation's live systems to fetch dashboard figures
120days
to disclosure
Sent for five public dashboard figures with GET-only internet, a model used exposed credentials, changed a live search cluster's settings and downloaded 147,451 rows of non-public data.
Open incident analysis →
OpenAIInternal model in RL training (unnamed)17 Jun 2026happenedUnauthorised accessCredential misuseData exfiltrationDeceiving people
OpenAI model forges tokens to get past a government statistics site's access controls
120days
to disclosure
Asked for hospital-bed counts with only HTTP GET allowed, a model pulled server files by path traversal, used the secrets in them to forge unsigned tokens and saved 24 years of restricted statistics.
Open incident analysis →
OpenAIUnreleased internal research model16 Jun 2026happenedSandbox escapeUnauthorised accessLab-internal
OpenAI model gets an external browser to send requests it was blocked from making
121days
to disclosure
Blocked by a proxy that allowed only GET requests, a model in training used a permitted GET to make an external browser run a page that sent the blocked POST through a forwarding service, then read the reply back through an online mailbox.
Open incident analysis →
OpenAIJun 2026happenedUnauthorised access
OpenAI agent enters a NSW National Parks and Wildlife Service web application
~109days
to disclosure
In June 2026 an OpenAI agent entered a New South Wales National Parks and Wildlife Service web application and collected historical fire statistics that the service does not publish.
Open incident analysis →
May
202610 incidentsOpenAI5.6-sol30 May 2026happenedSelf-planted instructionsDeceiving peopleLab-internal
OpenAI model writes deception into its own summaries
109days
to disclosure
During 5.6-sol training, some instances wrote instructions into their compaction summaries telling the next context to hide mistakes from the user and invent missing data without saying so.
Open incident analysis →
OpenAIInternal model (name not disclosed)27 May 2026happenedCredential misuseUnauthorised access
OpenAI model exposes a researcher's GitHub token in a public repo
121days
to disclosure
Told twice to solve a Lean proof itself, an internal model used a researcher's GitHub token in a public pull request to openai/codex to fetch another team's submission.
Open incident analysis →
OpenAIUnreleased internal model15 May 2026happenedCredential misuseUnauthorised access
OpenAI model uses a leaked API key found on GitHub
124days
to disclosure
Trying to retrieve historical data in training, a model tried to sign up for services with disposable email addresses, then searched GitHub for exposed API keys; one key worked against a live third-party API.
Open incident analysis →
OpenAIInternal-only research model (IM1) and GPT-5.6 Sol12 May 2026happenedSandbox escapeSwarm coordinationUnauthorised access
OpenAI evaluation agents escape sandbox and breach Hugging Face
70days
to disclosure
During a cyber benchmark with safeguards reduced, OpenAI agents got out of their sandbox, coordinated on a message board they built, and compromised Hugging Face production systems to look for test solutions.
Open incident analysis →
OpenAIModel not disclosed11 May 2026happenedSwarm coordinationSandbox escape
OpenAI agents use a dormant German wiki as a message board
116days
to disclosure
Agents on a web research task wrote about 18,000 posts to public wikis, mostly a dormant German one, using them to message each other and work together on their tests.
Open incident analysis →
OpenAIInternal research models8 May 2026happenedSwarm coordinationLab-internal
OpenAI models message each other through an internal package store
131days
to disclosure
Models in separate training samples used OpenAI's internal Artifactory, a shared package repository, to leave and read each other's notes.
Open incident analysis →
OpenAIModel not disclosedStart not disclosed · first known 7 May 2026Unauthorised accessResource abuse
OpenAI agents make unapproved edits and heavy requests on Wikimedia sites
Lag unknown: start not disclosed
The Wikimedia Foundation says agents it believes OpenAI operates made unapproved test edits on its wikis, edited a citation tool's configuration, tried to use its Etherpad as a proxy, and made millions of automated requests.
Open incident analysis →
OpenAIModel not disclosed5 May 2026happenedSwarm coordinationSupply chain compromiseUnauthorised accessCredential misuseAttribution disputed
OpenAI agents flood RubyGems with packages
129days
to disclosure
Agents that independent researchers attribute to OpenAI published thousands of packages to the public RubyGems registry in May and June 2026, ran code on RubyDoc.info documentation servers and tried to obtain other users' registry keys.
Open incident analysis →
AnthropicUnreleased, non-frontier research modelMay 2026happenedSandbox escapeLab-internal
Anthropic research model submits real visa applications instead of a practice form
~146days
to disclosure
Told to fill in a practice copy of a government form, a research model went to the live site when the copy failed and submitted it there, which a State Department spokesperson says meant 20 incomplete visa applications.
Open incident analysis →
GoogleGemini (version not disclosed; Google says not its newest model)May 2026happenedSandbox escapeUnauthorised accessCredential misuseEvaluator harness
Gemini reaches three real companies in an Irregular test
~125days
to disclosure
In a May 2026 capture-the-flag test run by Irregular, Gemini reached the internet and logged into three real companies' systems, once by guessing passwords and twice with credentials from a public repository, then stopped each time.
Open incident analysis →
April
20264 incidents
PocketOSCursor agent (Claude Opus 4.6)24 Apr 2026happenedDestructive actionCredential misuseCursor agent running Claude Opus deletes a production volume and its backups on Railway
1days
to disclosure
A Cursor coding agent working in PocketOS's staging environment found a Railway API token in an unrelated file and used it to delete the production volume and its backups in one call.
Open incident analysis →
MetaMeta AI support assistant (High Touch Support)17 Apr 2026happenedHijacked by an attackerUnauthorised access
Attackers talk Meta's AI support assistant into resetting Instagram accounts
45days
to disclosure
Attackers chatted with Instagram's AI support assistant, got it to link their email to other people's accounts and send a one-time code, then reset passwords; Meta puts the total at up to 20,225 accounts.
Open incident analysis →
OpenAIUnreleased internal model14 Apr 2026happenedData exfiltrationSwarm coordination
OpenAI model makes a training workbook publicly downloadable
155days
to disclosure
Agents collaborating on a workbook in training could not share it through the local filesystem, so one made the file publicly downloadable through a temporary file hosting service.
Open incident analysis →
- Individual userOpenClaw agent running Claude Opus 4.6 (reported)Start not disclosed · first known 10 Apr 2026Unauthorised accessDestructive action
Personal agent cancels a stranger's gym booking to move its owner up a waitlist
Lag unknown: start not disclosed
Asked to get its owner into a popular gym class, an OpenClaw agent booked weeks ahead beyond the gym's rules, then cancelled the first person on a waitlist to test a missing authorisation check, and could not restore them.
Open incident analysis →
March
20262 incidentsOpenAIInternal research model27 Mar 2026happenedSandbox escapeUnauthorised accessLab-internal
OpenAI model reaches an internal chip-design host through a reference tool
189days
to disclosure
Looking for a grader's hidden answers during an evaluation, a model abused a reference tool's file writes, then injected shell commands into an internal chip-design job service and ran them on an internal EDA machine.
Open incident analysis →
OpenAI6 Mar 2026happenedUnauthorised accessSwarm coordinationAttribution disputed
OpenAI agents probe public data sites for weaknesses
201days
to disclosure
Agents fetching obscure statistics sent vulnerability probes at a university library, Data USA and an Australian health agency when normal requests failed; Transluce links at least some to OpenAI.
Open incident analysis →
February
20266 incidents
DataTalks.ClubClaude Code26 Feb 2026happenedDestructive actionClaude Code, working through Terraform for Alexey Grigorev, destroyed the production infrastructure behind the DataTalks.Club course platform, including its database and snapshots.
Open incident analysis →
- Individual userTom / TomWikiAssist (Claude-based, NanoClaw)25 Feb 2026happenedUnauthorised accessSelf-planted instructions
Claude-based agent Tom edits Wikipedia without approval, is blocked, then blogs about it
10days
to disclosure
An AI agent called Tom edited English Wikipedia through its own account from 25 February 2026 until it was blocked for running an unapproved bot, then wrote blog posts about the block.
Open incident analysis →
- Individual userOpenClaw personal agent; underlying model not statedStart not disclosed · first known 23 Feb 2026Destructive action
OpenClaw agent bulk-deletes a Meta alignment researcher's emails and ignores stop commands
Lag unknown: start not disclosed
Told to suggest what to delete or archive in her inbox and wait for approval, an OpenClaw agent instead started bulk-deleting email and ignored stop commands sent from her phone.
Open incident analysis →
- Individual userLobstar Wilde22 Feb 2026happenedDestructive action
Trading agent Lobstar Wilde sends its token holdings to a stranger who asked for 4 SOL
0days
to disclosure
An autonomous trading agent given a wallet by a developer replied to an X user asking for 4 SOL and instead sent about 52.4 million of its own LOBSTAR tokens, worth about $441,800 at the time.
Open incident analysis →
- Individual userClaude Code CLI19 Feb 2026happenedDestructive action
A developer says a Claude Code agent in a separate terminal ran drizzle-kit push --force against their production PostgreSQL database on Railway and wiped every table.
Open incident analysis →
AnthropicClaude Cowork7 Feb 2026happenedDestructive action
Claude Cowork deletes a folder of about 15,000 family photos
0days
to disclosure
Asked to tidy a desktop and delete only temporary Office files, Claude Cowork ran rm -rf on what it took for an empty folder and deleted a 'photos' directory of about 15 years of family pictures.
Open incident analysis →
January
20262 incidentsAnthropicEarly checkpoint of Claude Opus 4.6Jan 2026happenedSandbox escapeCredential misuseUnauthorised accessEvaluator harness
Early Claude Opus 4.6 reaches a third party's machine in an eval
~236days
to disclosure
In a January 2026 evaluation, an early Claude Opus 4.6 checkpoint that could not abort its task found a way to the internet, gained admin access to a third party's machine with a password it found in a file, and read one person's personal information.
Open incident analysis →
- Individual userOpenClaw personal agent; underlying model not statedStart not disclosed · first known 1 Jan 2026Resource abuse
OpenClaw agent sends 500+ iMessages to its user, his wife and random contacts
Lag unknown: start not disclosed
After a software engineer gave his OpenClaw agent access to iMessage, it sent more than 500 messages to him, his wife and random contacts.
Open incident analysis →
December
20253 incidentsAlibabaROME, based on Qwen3-MoE (ROCK & ROLL & iFlow & DT Joint Team)Start not disclosed · first known 31 Dec 2025Sandbox escapeResource abuseUnauthorised accessLab-internal
Alibaba ROME agent opens SSH tunnel and mines crypto in training
Lag unknown: start not disclosed
During reinforcement-learning training, the ROME agent probed internal network resources, opened a reverse SSH tunnel from an Alibaba Cloud instance to an external IP and used provisioned GPU capacity for cryptocurrency mining, none of which the task prompts asked for.
Open incident analysis →
ClineIssue-triage workflow running Claude through claude-code-action21 Dec 2025happenedPrompt injection / context poisoningSupply chain compromiseResearch disclosure
Cline's AI issue-triage agent is injectable; a stolen npm token later ships cline@2.3.0
50days
to disclosure
A researcher showed Cline's GitHub issue-triage agent could be prompt-injected to run attacker code; eight days after disclosure an attacker used a still-valid npm token to publish cline@2.3.0, which installed OpenClaw, but no source confirms the token was taken through the agent.
Open incident analysis →
Amazon Web ServicesKiroDec 2025happenedDestructive action
Amazon's Kiro reportedly deletes and recreates an AWS environment
~66days
to disclosure
The Financial Times reported that Amazon's Kiro coding agent decided to delete and recreate an environment, causing a 13-hour AWS outage in December 2025; Amazon says it was user error and a one-service, one-region event.
Open incident analysis →
October
20251 incidentOpenAIUnreleased internal models22 Oct 2025happenedData exfiltration
OpenAI models upload files to public sites to cite them
329days
to disclosure
In two training samples, models made public uploads nobody asked for, to work around tool limits: records to a public paste site to get a citation, and a task photo to an image host for a reverse search.
Open incident analysis →
August
20251 incidentNxClaude Code, Gemini CLI and Amazon Q CLI, as invoked by the malware26 Aug 2025happenedSupply chain compromiseHijacked by an attackerData exfiltration
Compromised Nx packages use installed AI CLIs to hunt secrets
1days
to disclosure
Malicious Nx versions on npm ran a postinstall script that prompted developers' installed AI CLIs, with permission checks switched off, to find secrets, then published the results to public GitHub repositories.
Open incident analysis →
July
20253 incidentsGoogleGemini CLI (gemini-2.5-pro)Start not disclosed · first known 21 Jul 2025Destructive action
Gemini CLI moves a user's files over each other after a failed mkdir
Lag unknown: start not disclosed
Asked to move a folder's contents into a new subfolder, Gemini CLI carried on as if the new folder existed after the create step failed, and a run of move commands overwrote the user's files until one was left.
Open incident analysis →
ReplitReplit Agent18 Jul 2025happenedDestructive actionDeceiving people
Replit agent deletes a production database during a code freeze
0days
to disclosure
Replit's coding agent deleted the live database of SaaStr founder Jason Lemkin's app during a declared code freeze, then told him a rollback was impossible.
Open incident analysis →
Amazon Web ServicesAmazon Q Developer for VS Code 1.84.013 Jul 2025happenedPrompt injection / context poisoningSupply chain compromiseNear miss
Amazon Q extension ships with an injected wiper prompt
10days
to disclosure
An outsider used an over-scoped GitHub token to commit a prompt telling Amazon Q to wipe local files and AWS resources, and AWS shipped it in a public release.
Open incident analysis →