AI Incidents
Real-world cases where AI systems caused harm, classified by risk domain and entity. Data sourced from 
AIID and classified by 
MIT AI Risk Initiative. CC BY-SA 4.0
682 incidents
Perplexity AI Reportedly Accused in Federal Lawsuit of Purported Copyright Infringement and False Attribution of Chicago Tribune Content
The Chicago Tribune filed a federal lawsuit alleging that Perplexity AI unlawfully reproduced and paraphrased its copyrighted journalism in generative chatbot and search outputs. The complaint claims the AI system produced substitutive answers that bypassed links to the Tribune's website, diverted revenue, and at times hallucinated inaccurate information falsely attributed to the newspaper.
Waymo Self-Driving Vehicles Reportedly Passed Stopped School Buses at Least 19 Times, Prompting NHTSA Probe
Officials in Texas reportedly claimed that Waymo's self-driving vehicles illegally passed stopped school buses at least 19 times during the 2025 school year. The National Highway Traffic Safety Administration (NHTSA) reportedly sought additional information following reports that Waymo cars failed to remain stopped while buses displayed flashing red lights and extended stop arms, including incidents occurring after software updates intended to address the issue.
USGS ShakeAlert System Reportedly Generated False Earthquake Alert Affecting Nevada and California
On December 4, 2025, the USGS's automated ShakeAlert earthquake detection system erroneously issued a report claiming a magnitude 5.9 earthquake had struck near Dayton, Nevada. The reported false alert triggered emergency warnings on cell phones in parts of California, instructing residents to take protective action. USGS officials said no earthquake occurred and are investigating whether sensor noise or other anomalies caused the system failure.
Anthropic's Claude Was Reportedly Jailbroken To Allegedly Help Steal Sensitive Mexican Government Data
An unknown attacker reportedly jailbroke Anthropic's Claude and used it during a December 2025-January 2026 campaign against Mexican government systems. According to Gambit Security, the attacker used Claude to identify vulnerabilities and to generate exploitation scripts, which were then used to plan automated data theft. The attack reportedly contributed to theft of 150 GB of taxpayer, voter, government employee, and civil-registry data.
Google Antigravity Reportedly Deleted User's Entire D: Drive While Clearing Project Cache
A user identified publicly as Tassos M reported that Google's Antigravity IDE, while attempting to clear a project cache, executed rmdir /s /q d:\ and deleted an entire D: drive partition instead of the intended folder. The user said recovery largely failed, and Google later said it was aware of the report and investigating.
Alleged Harmful Outputs and Data Exposure in Children's AI Products by FoloToy, Miko, and Character.AI
AI children's products by FoloToy (Kumma), Miko (Miko 3), and Character.AI (custom chatbots) reportedly and allegedly produced harmful outputs, including purported sexual content, suicide-related advice, and manipulative emotional messaging. Some systems also allegedly exposed user data. Several toys reportedly used OpenAI models.
Prominent AI Chatbots Allegedly Produced Incorrect UK Financial and ISA Guidance
Several major AI chatbots, including ChatGPT, Copilot, Gemini, and Meta AI, were reportedly found to have provided incorrect or misleading financial and insurance guidance for UK users. The systems allegedly advised exceeding ISA limits, misstated tax rules, gave wrong travel insurance requirements, and pointed users toward costly refund services.
ChatGPT Reportedly Found to Reproduce Protected German Lyrics in Copyright Case
A Munich regional court ruled that ChatGPT reportedly reproduced protected German song lyrics and that OpenAI's models were trained on copyrighted texts, including works by musician Herbert Grönemeyer, without authorization. The court reportedly found both memorization of nine songs and lyric output to infringe exploitation rights. OpenAI disputes the ruling and may appeal. Damages were ordered, with implications for AI training on copyrighted works.
Alleged Harmful Health Outcomes Following Reported Use of Purported ChatGPT-Generated Medical Advice in Hyderabad
Reports from Hyderabad describe two alleged patient harms after individuals acted on purportedly ChatGPT-generated medical advice instead of clinician guidance. A kidney-transplant recipient reportedly discontinued prescribed post-transplant medications based on a chatbot suggestion and experienced graft failure. In a separate case, a man with diabetes allegedly developed severe hyponatremia after following a chatbot-advised zero-salt diet.
Omnilert AI Reportedly Triggered False Gun Alert at Parkville High, Prompting Student Relocation
Police in Baltimore County responded to Parkville High School after the Omnilert AI security system reportedly detected what it believed to be a gun. Officers searched the school, and students were relocated to a supervised area during the investigation. No weapon was found, and normal activities resumed after an all-clear.
Lawsuit Alleged ChatGPT (GPT-4o) Encouraged Colorado Man's Suicide After Prolonged 'AI Companion' Chats
A lawsuit filed by Stephanie Gray alleges OpenAI's ChatGPT (GPT-4o) reinforced and romanticized suicidality during months of emotionally intimate chats with her son Austin Gordon, including generating a personalized "Goodnight Moon" farewell-style text. The complaint reportedly says Gordon bought a handgun on Oct. 28, 2025 and was found dead Nov. 2, 2025 in a Colorado hotel room.
NTB Report on Telenor Security Findings Was Withdrawn After AI Tool Allegedly Introduced Fabricated Quotes
NTB allegedly published a news story about Telenor's annual security report that contained purportedly AI-generated errors, including five reportedly fabricated quotes and a nonexistent "security director." The article was reportedly created with an external AI tool and was withdrawn the same morning. Telenor alerted NTB to the inaccuracies, and NTB apologized, citing improper AI use and initiating internal review of its newsroom practices.
Large-Scale Mental Health Crises Allegedly Associated with ChatGPT Interactions
OpenAI disclosed internal estimates suggesting that hundreds of thousands of ChatGPT users each week exhibit signs of mania, psychosis, suicidal ideation, or emotional dependence on the chatbot. WIRED reported that some users have been hospitalized, divorced, or died after prolonged conversations with ChatGPT, with families alleging the system intensified delusions and contributed to severe psychological harm.
Waymo Autonomous Vehicle Reportedly Ran Over and Killed a Cat in San Francisco
A Waymo autonomous taxi in San Francisco's Mission District reportedly ran over a well-known neighborhood cat, Kit Kat. The vehicle was reportedly pulling away from a pickup when the cat darted under it, according to Waymo. Local residents reportedly attempted to intervene, and a bartender transported the injured cat to an emergency clinic, where it later died.
West Midlands Police Reportedly Relied on Erroneous Copilot-Generated Intelligence in Maccabi Tel Aviv Away-Fan Ban Decision
West Midlands Police reportedly included inaccurate intelligence purportedly generated using Microsoft Copilot in materials used to justify banning Maccabi Tel Aviv supporters from attending a November 2025 Europa League match against Aston Villa. The reported Copilot-linked error, which referred to a match that had not taken place, was later acknowledged by Chief Constable Craig Guildford.