{"id":"INC-anthropic-4xvtc2gnq73l","kind":"incident","aliases":[],"related":[],"title":"Anthropic: Elevated errors on claude.ai, Claude Code, Claude Cowork and the Claude API","description":"The issue affecting Claude.ai, the Claude desktop and mobile apps, Claude Code, Claude Cowork, and the Claude API has been resolved, and services have been operating normally since recovery. Impact occurred from 07:00 PT / 14:00 UTC to 07:59 PT / 14:59 UTC.","summary":null,"severity":"high","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[{"name":"Anthropic","fixed":[],"affected":"","ecosystem":"vendor"}],"ecosystems":["vendor"],"tags":["ai","anthropic","incident","llm","ops","vendor"],"not_affected_if":[],"how_to_check":null,"fix":null,"status":"resolved","published_at":"2026-09-29T14:21:37+00:00","first_seen_at":"2026-10-23T19:12:22+00:00","triaged_at":"2026-10-23T20:20:06+00:00","updated_at":"2026-10-23T20:20:06+00:00","category":"vendor","confidence":null,"triage":null,"analyst_status":null,"analyst_note":null,"search":"'00':58C,61C '07':57C,64C '14':60C,67C '4xvtc2gnq73l':17A '59':65C,68C 'affect':27C 'ai':19B 'anthrop':1A,20B 'anthropic':16A,18A 'api':13A,42C 'app':34C 'claud':6A,8A,12A,30C,35C,37C,41C 'claude.ai':5A,28C 'code':7A,36C 'cowork':9A,38C 'desktop':31C 'elev':2A 'error':3A 'impact':54C 'inc':15A 'inc-anthropic-4xvtc2gnq73l':14A 'incid':21B 'issu':26C 'llm':22B 'mobil':33C 'normal':51C 'occur':55C 'op':23B 'oper':50C 'pt':59C,66C 'recoveri':53C 'resolv':45C 'servic':47C 'sinc':52C 'utc':62C,69C 'vendor':24B","nicknames":[],"mitigations":[],"who_affected":null,"tier":null,"verified":{},"analyst_revisit_at":null,"first_public_at":"2026-09-29T14:21:37+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"statuspage","external_id":"anthropic:4xvtc2gnq73l","url":"https://stspg.io/br61xzj05pp5","severity":"high","published_at":"2026-09-29T14:21:37+00:00","modified_at":"2026-09-29T16:27:21+00:00","first_seen_at":"2026-10-23T19:12:22+00:00","fetched_at":"2026-10-25T19:11:19+00:00","note":null}],"documents":[],"notice":"Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai"}