{"id":"INC-twilio-943w3xc3wm56","kind":"incident","aliases":[],"related":[],"title":"Twilio: MMS Delivery Delays and Failures from a Subset of Twilio Long Codes to Cellcom United States","description":"Twilio customers may be experiencing MMS delivery delays and failures from a subset of Twilio Long Codes to Cellcom 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":"2026-10-26T20:29:06+00:00","first_seen_at":"2026-10-26T20:30:47+00:00","triaged_at":"2026-10-26T20:32:47+00:00","updated_at":"2026-10-26T21:35:48+00:00","category":"vendor","confidence":null,"triage":null,"analyst_status":null,"analyst_note":null,"search":"'2':72C '943w3xc3wm56':21A 'anoth':69C 'avail':81C 'becom':80C 'caus':58C 'cellcom':15A,46C 'code':13A,44C 'custom':29C 'delay':4A,35C 'deliveri':3A,34C 'experienc':32C 'failur':6A,37C 'hour':73C 'identifi':56C 'inc':19A 'inc-twilio-943w3xc3wm56':18A 'incid':23B 'inform':79C 'issu':65C 'long':12A,43C 'may':30C 'mms':2A,33C 'network':47C 'op':24B 'provid':68C 'resolv':63C 'sms':25B 'soon':76C 'state':17A,52C 'subscrib':48C 'subset':9A,40C 'team':54C 'twilio':1A,11A,20A,22A,26B,28C,42C 'unit':16A,51C 'updat':70C 'vendor':27B 'work':61C","nicknames":[],"mitigations":[],"who_affected":null,"tier":"C","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-26T20:29:06+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"statuspage","external_id":"twilio:943w3xc3wm56","url":"https://stspg.io/9fkh4pf3hgcm","severity":"medium","published_at":"2026-10-26T20:29:06+00:00","modified_at":"2026-10-26T21:34:31+00:00","first_seen_at":"2026-10-26T20:30:47+00:00","fetched_at":"2026-10-26T22:33:03+00:00","note":null}],"documents":[],"notice":"Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai"}