{"id":"INC-twilio-n3f0n7xjjz3c","kind":"incident","aliases":[],"related":[],"title":"Twilio: SMS Delivery Failures from Twilio 10DLC to AT&T United States","description":"Twilio customers may be experiencing SMS delivery failures from Twilio 10DLC to AT&T network subscribers in the United States. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 2 hours 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":"2026-11-12T01:58:31+00:00","first_seen_at":"2026-11-12T01:59:29+00:00","triaged_at":"2026-11-12T02:00:40+00:00","updated_at":"2026-11-12T03:00:18+00:00","category":"vendor","confidence":null,"triage":null,"analyst_status":null,"analyst_note":null,"search":"'10dlc':7A,33C '2':62C 'anoth':59C 'avail':71C 'becom':70C 'caus':48C 'custom':24C 'deliveri':3A,29C 'experienc':27C 'failur':4A,30C 'hour':63C 'identifi':46C 'inc':14A 'inc-twilio-n3f0n7xjjz3c':13A 'incid':18B 'inform':69C 'issu':55C 'may':25C 'n3f0n7xjjz3c':16A 'network':37C 'op':19B 'provid':58C 'resolv':53C 'sms':2A,20B,28C 'soon':66C 'state':12A,42C 'subscrib':38C 'team':44C 'twilio':1A,6A,15A,17A,21B,23C,32C 'unit':11A,41C 'updat':60C 'vendor':22B 'work':51C","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":"'10dlc':7A 'deliveri':3A 'failur':4A 'inc':14A 'inc-twilio-n3f0n7xjjz3c':13A 'n3f0n7xjjz3c':16A 'sms':2A 'state':12A 'twilio':1A,6A,15A,17A 'unit':11A","search_b":"'incid':18B 'op':19B 'sms':20B 'twilio':21B 'vendor':22B","search_c":"'10dlc':33C '2':62C 'anoth':59C 'avail':71C 'becom':70C 'caus':48C 'custom':24C 'deliveri':29C 'experienc':27C 'failur':30C 'hour':63C 'identifi':46C 'inform':69C 'issu':55C 'may':25C 'network':37C 'provid':58C 'resolv':53C 'sms':28C 'soon':66C 'state':42C 'subscrib':38C 'team':44C 'twilio':23C,32C 'unit':41C 'updat':60C 'work':51C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2026-11-12T01:58:31+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"statuspage","external_id":"twilio:n3f0n7xjjz3c","url":"https://stspg.io/1nhx2s86hbx5","severity":"medium","published_at":"2026-11-12T01:58:31+00:00","modified_at":"2026-11-12T04:00:22+00:00","first_seen_at":"2026-11-12T01:59:29+00:00","fetched_at":"2026-11-12T05:01:03+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"}