{"id":"INC-twilio-v347p1ml2c9d","kind":"incident","aliases":[],"related":[],"title":"Twilio: SMS Delivery Failures from a Subset of Twilio Phone Numbers to K-Cell Kazakhstan","description":"Twilio customers may be experiencing SMS delivery failures from a subset of Twilio Phone Numbers to K-Cell network subscribers in Kazakhstan. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 1 hour or as soon as more information becomes available.","summary":null,"severity":"medium","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[{"name":"Twilio","fixed":[],"affected":"","ecosystem":"vendor"}],"ecosystems":["vendor"],"tags":["incident","ops","sms","twilio","vendor"],"not_affected_if":[],"how_to_check":null,"fix":null,"status":"open","published_at":"2026-11-11T21:43:29+00:00","first_seen_at":"2026-11-11T21:44:35+00:00","triaged_at":"2026-11-11T21:45:03+00:00","updated_at":"2026-11-11T21:46:38+00:00","category":"vendor","confidence":null,"triage":null,"analyst_status":null,"analyst_note":null,"search":"'1':69C 'anoth':66C 'avail':78C 'becom':77C 'caus':55C 'cell':15A,45C 'custom':28C 'deliveri':3A,33C 'experienc':31C 'failur':4A,34C 'hour':70C 'identifi':53C 'inc':18A 'inc-twilio-v347p1ml2c9d':17A 'incid':22B 'inform':76C 'issu':62C 'k':14A,44C 'k-cell':13A,43C 'kazakhstan':16A,49C 'may':29C 'network':46C 'number':11A,41C 'op':23B 'phone':10A,40C 'provid':65C 'resolv':60C 'sms':2A,24B,32C 'soon':73C 'subscrib':47C 'subset':7A,37C 'team':51C 'twilio':1A,9A,19A,21A,25B,27C,39C 'updat':67C 'v347p1ml2c9d':20A 'vendor':26B 'work':58C","nicknames":[],"mitigations":[],"who_affected":null,"tier":"C","verified":{},"analyst_revisit_at":null,"fix_status":null,"audience":null,"plain_action":null,"pkeys":["twilio"],"ptokens":["twilio"],"labels":["incident","medium","ops","sms","twilio","vendor"],"campaign_type":null,"search_a":"'cell':15A 'deliveri':3A 'failur':4A 'inc':18A 'inc-twilio-v347p1ml2c9d':17A 'k':14A 'k-cell':13A 'kazakhstan':16A 'number':11A 'phone':10A 'sms':2A 'subset':7A 'twilio':1A,9A,19A,21A 'v347p1ml2c9d':20A","search_b":"'incid':22B 'op':23B 'sms':24B 'twilio':25B 'vendor':26B","search_c":"'1':69C 'anoth':66C 'avail':78C 'becom':77C 'caus':55C 'cell':45C 'custom':28C 'deliveri':33C 'experienc':31C 'failur':34C 'hour':70C 'identifi':53C 'inform':76C 'issu':62C 'k':44C 'k-cell':43C 'kazakhstan':49C 'may':29C 'network':46C 'number':41C 'phone':40C 'provid':65C 'resolv':60C 'sms':32C 'soon':73C 'subscrib':47C 'subset':37C 'team':51C 'twilio':27C,39C 'updat':67C 'work':58C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2026-11-11T21:43:29+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"statuspage","external_id":"twilio:v347p1ml2c9d","url":"https://stspg.io/sdxxb0ymw8yg","severity":"medium","published_at":"2026-11-11T21:43:29+00:00","modified_at":"2026-11-11T21:49:17+00:00","first_seen_at":"2026-11-11T21:44:35+00:00","fetched_at":"2026-11-11T22:58:56+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"}