{"id":"INC-anthropic-ls6bn1x81m0w","kind":"incident","aliases":[],"related":[],"title":"Anthropic: Elevated errors for Claude Sonnet 5","description":"The issue affecting Claude Sonnet 5 has been resolved. Impact occurred from 2:05pm PT / 21:05 UTC to 2:19pm PT / 21:19 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":"2026-09-02T21:17:58+00:00","first_seen_at":"2026-10-23T19:12:22+00:00","triaged_at":"2026-10-23T21:50:49+00:00","updated_at":"2026-10-23T21:50:49+00:00","category":"vendor","confidence":null,"triage":null,"analyst_status":null,"analyst_note":null,"search":"'05':35C '05pm':32C '19':42C '19pm':39C '2':31C,38C '21':34C,41C '5':7A,24C 'affect':21C 'ai':13B 'anthrop':1A,14B 'anthropic':10A,12A 'claud':5A,22C 'elev':2A 'error':3A 'impact':28C 'inc':9A 'inc-anthropic-ls6bn1x81m0w':8A 'incid':15B 'issu':20C 'llm':16B 'ls6bn1x81m0w':11A 'occur':29C 'op':17B 'pt':33C,40C 'resolv':27C 'sonnet':6A,23C 'utc':36C,43C 'vendor':18B","nicknames":[],"mitigations":[],"who_affected":null,"tier":null,"verified":{},"analyst_revisit_at":null,"first_public_at":"2026-09-02T21:17:58+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"statuspage","external_id":"anthropic:ls6bn1x81m0w","url":"https://stspg.io/9dgzwz3ymz42","severity":"high","published_at":"2026-09-02T21:17:58+00:00","modified_at":"2026-09-02T21:44:28+00:00","first_seen_at":"2026-10-23T19:12:22+00:00","fetched_at":"2026-10-26T04:45:22+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"}