{"id":"INC-cloudflare-byzl30zyfc47","kind":"incident","aliases":[],"related":[],"title":"Cloudflare: Cloudflare Worker Builds Issue","description":"Cloudflare is aware of and investigating an issue with Cloudflare Worker Builds which potentially impacts multiple customers. Further detail will be provided as more information becomes available.\n\nExisting Workers and Containers are unaffected.","summary":null,"severity":"medium","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[{"name":"Cloudflare","fixed":[],"affected":"","ecosystem":"vendor"}],"ecosystems":["vendor"],"tags":["cdn","cloudflare","dns","incident","ops","vendor"],"not_affected_if":[],"how_to_check":null,"fix":null,"status":"resolved","published_at":"2026-11-11T06:29:09+00:00","first_seen_at":"2026-11-11T06:30:34+00:00","triaged_at":"2026-11-11T06:31:11+00:00","updated_at":"2026-11-11T06:45:29+00:00","category":"vendor","confidence":null,"triage":null,"analyst_status":null,"analyst_note":null,"search":"'avail':43C 'awar':19C 'becom':42C 'build':4A,28C 'byzl30zyfc47':9A 'cdn':11B 'cloudflar':1A,2A,12B,17C,26C 'cloudflare':8A,10A 'contain':47C 'custom':33C 'detail':35C 'dns':13B 'exist':44C 'impact':31C 'inc':7A 'inc-cloudflare-byzl30zyfc47':6A 'incid':14B 'inform':41C 'investig':22C 'issu':5A,24C 'multipl':32C 'op':15B 'potenti':30C 'provid':38C 'unaffect':49C 'vendor':16B 'worker':3A,27C,45C","nicknames":[],"mitigations":[],"who_affected":null,"tier":"C","verified":{},"analyst_revisit_at":null,"fix_status":null,"audience":null,"plain_action":null,"pkeys":["cloudflare"],"ptokens":["cloudflare"],"labels":["cdn","cloudflare","dns","incident","medium","ops","vendor"],"campaign_type":null,"search_a":"'build':4A 'byzl30zyfc47':9A 'cloudflar':1A,2A 'cloudflare':8A,10A 'inc':7A 'inc-cloudflare-byzl30zyfc47':6A 'issu':5A 'worker':3A","search_b":"'cdn':11B 'cloudflar':12B 'dns':13B 'incid':14B 'op':15B 'vendor':16B","search_c":"'avail':43C 'awar':19C 'becom':42C 'build':28C 'cloudflar':17C,26C 'contain':47C 'custom':33C 'detail':35C 'exist':44C 'impact':31C 'inform':41C 'investig':22C 'issu':24C 'multipl':32C 'potenti':30C 'provid':38C 'unaffect':49C 'worker':27C,45C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2026-11-11T06:29:09+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"statuspage","external_id":"cloudflare:byzl30zyfc47","url":"https://www.cloudflarestatus.com/incidents/byzl30zyfc47","severity":"medium","published_at":"2026-11-11T06:29:09+00:00","modified_at":"2026-11-11T06:41:33+00:00","first_seen_at":"2026-11-11T06:30:34+00:00","fetched_at":"2026-11-11T06:55:41+00:00","note":null}],"documents":[],"disclosures":[],"exploit_sources":[],"notice":"Free to read, with fair use of about 60 pages a minute. For higher limits or API access: sales@infrastack.ai"}