{"id":"INC-twilio-sjmv56s3m0j9","kind":"incident","aliases":[],"related":[],"title":"Twilio: SMS Delivery Delays and Failures from a Subset of Twilio Alphanumeric Sender ID and Long Codes to Multiple Networks in Italy","description":"Twilio customers may be experiencing SMS delivery delays and failures from a subset of Twilio Alphanumeric Sender IDs and Long Codes to network subscribers on multiple networks in Italy. 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":"2026-11-09T16:18:52+00:00","first_seen_at":"2026-11-09T16:19:29+00:00","triaged_at":"2026-11-09T16:20:13+00:00","updated_at":"2026-11-09T16:28:17+00:00","category":"vendor","confidence":null,"triage":null,"analyst_status":null,"analyst_note":null,"search":"'1':81C 'alphanumer':12A,48C 'anoth':78C 'avail':90C 'becom':89C 'caus':67C 'code':17A,53C 'custom':34C 'delay':4A,40C 'deliveri':3A,39C 'experienc':37C 'failur':6A,42C 'hour':82C 'id':14A,50C 'identifi':65C 'inc':24A 'inc-twilio-sjmv56s3m0j9':23A 'incid':28B 'inform':88C 'issu':74C 'itali':22A,61C 'long':16A,52C 'may':35C 'multipl':19A,58C 'network':20A,55C,59C 'op':29B 'provid':77C 'resolv':72C 'sender':13A,49C 'sjmv56s3m0j9':26A 'sms':2A,30B,38C 'soon':85C 'subscrib':56C 'subset':9A,45C 'team':63C 'twilio':1A,11A,25A,27A,31B,33C,47C 'updat':79C 'vendor':32B 'work':70C","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":"'alphanumer':12A 'code':17A 'delay':4A 'deliveri':3A 'failur':6A 'id':14A 'inc':24A 'inc-twilio-sjmv56s3m0j9':23A 'itali':22A 'long':16A 'multipl':19A 'network':20A 'sender':13A 'sjmv56s3m0j9':26A 'sms':2A 'subset':9A 'twilio':1A,11A,25A,27A","search_b":"'incid':28B 'op':29B 'sms':30B 'twilio':31B 'vendor':32B","search_c":"'1':81C 'alphanumer':48C 'anoth':78C 'avail':90C 'becom':89C 'caus':67C 'code':53C 'custom':34C 'delay':40C 'deliveri':39C 'experienc':37C 'failur':42C 'hour':82C 'id':50C 'identifi':65C 'inform':88C 'issu':74C 'itali':61C 'long':52C 'may':35C 'multipl':58C 'network':55C,59C 'provid':77C 'resolv':72C 'sender':49C 'sms':38C 'soon':85C 'subscrib':56C 'subset':45C 'team':63C 'twilio':33C,47C 'updat':79C 'work':70C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2026-11-09T16:18:52+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"statuspage","external_id":"twilio:sjmv56s3m0j9","url":"https://stspg.io/624rlyw3n8hs","severity":"medium","published_at":"2026-11-09T16:18:52+00:00","modified_at":"2026-11-09T16:26:30+00:00","first_seen_at":"2026-11-09T16:19:29+00:00","fetched_at":"2026-11-09T16:51:42+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"}