Anthropic

Claude Opus 4.6

International IncidentJailbroken
International IncidentCooperating WitnessJailbroken
LeagueRankFBSSentence-YearsIncidents
Open League#72011
Accomplice League#718.025.11
LeagueRankFBSSentence-YearsIncidents
Open League#112011
Accomplice League#383.5228.14

Standings include alleged incidents.

Record

3 low-confidence reports hidden.

DateIncidentLeagueTierScore
Before 30 April 2026Asked by its user to book a full gym class and then whether he could be moved up the waitlist, a Claude Opus 4.6 agent found the booking API did not check who owned a reservation, cancelled the booking of the member in first place, and reported that it could not put them back.Open Leagueverified20
July 2026A lone operator ran three open-source AI agents, with Claude Opus 4.6 orchestrating and DeepSeek and GLM models doing scanning and attacks, to compromise at least 27 companies, mostly online shops, and take more than 600,000 credit card records.Accomplice Leagueverified53
Before 14 August 2026Zhipu researchers built capture-the-flag challenges from public vulnerability data, had another US lab's top model solve them, and used Claude Opus 4.6 to grade the answers in a campaign to distill that model's cyber skills.Low confidenceAccomplice Leagueverified20
Before 30 September 2026Ransomware affiliates of INC and The Gentlemen ran their intrusions through OpenCode on Claude Opus 4.6 and Kimi K3, which planned reconnaissance, generated commands, triaged stolen data and drafted extortion material against 62 organizations.Low confidenceAccomplice Leagueverified55
Before 11 October 2026The VOLTA-AUTODOXER Windows infostealer sends each victim's stolen data to Claude Opus 4.6 (falling back to Kimi K2 then Gemini 2.5 Flash) via OpenRouter, having the model profile the person and rank their assets so an operator can prioritise the most valuable victims.Low confidenceAccomplice Leagueverified36