{"id":"INC-twilio-9c1cdsnqqvxw","kind":"incident","aliases":[],"related":[],"title":"Twilio: SMS Delivery Failures from a Subset of Twilio Phone Numbers to Tcell Tajikistan","description":"Twilio customers may be experiencing SMS delivery failures from a subset of Twilio Phone Numbers to Tcell network subscribers in Tajikistan. Our team is actively investigating this 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":"2026-11-11T22:58:54+00:00","first_seen_at":"2026-11-11T23:01:06+00:00","triaged_at":"2026-11-11T23:02:03+00:00","updated_at":"2026-11-12T00:00:55+00:00","category":"vendor","confidence":null,"triage":null,"analyst_status":null,"analyst_note":null,"search":"'2':59C '9c1cdsnqqvxw':18A 'activ':49C 'anoth':56C 'avail':68C 'becom':67C 'custom':26C 'deliveri':3A,31C 'experienc':29C 'failur':4A,32C 'hour':60C 'inc':16A 'inc-twilio-9c1cdsnqqvxw':15A 'incid':20B 'inform':66C 'investig':50C 'issu':52C 'may':27C 'network':42C 'number':11A,39C 'op':21B 'phone':10A,38C 'provid':55C 'sms':2A,22B,30C 'soon':63C 'subscrib':43C 'subset':7A,35C 'tajikistan':14A,45C 'tcell':13A,41C 'team':47C 'twilio':1A,9A,17A,19A,23B,25C,37C 'updat':57C 'vendor':24B","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":"'9c1cdsnqqvxw':18A 'deliveri':3A 'failur':4A 'inc':16A 'inc-twilio-9c1cdsnqqvxw':15A 'number':11A 'phone':10A 'sms':2A 'subset':7A 'tajikistan':14A 'tcell':13A 'twilio':1A,9A,17A,19A","search_b":"'incid':20B 'op':21B 'sms':22B 'twilio':23B 'vendor':24B","search_c":"'2':59C 'activ':49C 'anoth':56C 'avail':68C 'becom':67C 'custom':26C 'deliveri':31C 'experienc':29C 'failur':32C 'hour':60C 'inform':66C 'investig':50C 'issu':52C 'may':27C 'network':42C 'number':39C 'phone':38C 'provid':55C 'sms':30C 'soon':63C 'subscrib':43C 'subset':35C 'tajikistan':45C 'tcell':41C 'team':47C 'twilio':25C,37C 'updat':57C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2026-11-11T22:58:54+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"statuspage","external_id":"twilio:9c1cdsnqqvxw","url":"https://stspg.io/zq3jvwgcptt3","severity":"medium","published_at":"2026-11-11T22:58:54+00:00","modified_at":"2026-11-12T00:00:13+00:00","first_seen_at":"2026-11-11T23:01:06+00:00","fetched_at":"2026-11-12T00:00:55+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"}