{"id":"INC-polymarket-cmu8mn6wo0tvz1fpci44fqlk7","kind":"incident","aliases":[],"related":[],"title":"Polymarket: Trading Degraded - Predictions","description":"Type: Incident\n    Duration: 2 hours and 4 minutes\n\n    Affected Components: Markets and Position Data, Clob Websocket,   On-chain Settlement (Polygon RPC), Websocket (RTDS),   Predictions Trading API (CLOB)\n    Sep 19, 18:58:27 GMT+0 - Resolved - Trading is now back online. Apologies for the delay, and thank you for your patience. Sep 19, 18:50:40 GMT+0 - Monitoring - Trading will be re-enabled at 14:55 ET (18:55 UTC). Apologies for the delay. Sep 19, 17:59:30 GMT+0 - Identified - We are currently in cancel-only mode and will remain in this mode until we resolve the root cause. Trading will resume once the issue is fixed. Sep 19, 16:54:02 GMT+0 - Investigating - We are currently investigating this incident.","summary":null,"severity":"unknown","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[{"name":"Polymarket","fixed":[],"affected":"","ecosystem":"vendor"}],"ecosystems":["vendor"],"tags":["incident","ops","polymarket","vendor"],"not_affected_if":[],"how_to_check":null,"fix":null,"status":"resolved","published_at":"2026-09-19T16:54:02+00:00","first_seen_at":"2026-11-08T17:00:43+00:00","triaged_at":"2026-11-08T17:03:16+00:00","updated_at":"2026-11-08T17:03:16+00:00","category":"vendor","confidence":null,"triage":null,"analyst_status":null,"analyst_note":null,"search":"'+0':48C,71C,96C,132C '02':130C '14':80C '16':128C '17':92C '18':44C,67C,83C '19':43C,66C,91C,127C '2':17C '27':46C '30':94C '4':20C '40':69C '50':68C '54':129C '55':81C,84C '58':45C '59':93C 'affect':22C 'api':40C 'apolog':55C,86C 'back':53C 'cancel':103C 'cancel-on':102C 'caus':117C 'chain':32C 'clob':28C,41C 'cmu8mn6wo0tvz1fpci44fqlk7':8A 'compon':23C 'current':100C,136C 'data':27C 'degrad':3A 'delay':58C,89C 'durat':16C 'enabl':78C 'et':82C 'fix':125C 'gmt':47C,70C,95C,131C 'hour':18C 'identifi':97C 'inc':6A 'inc-polymarket-cmu8mn6wo0tvz1fpci44fqlk7':5A 'incid':10B,15C,139C 'investig':133C,137C 'issu':123C 'market':24C 'minut':21C 'mode':105C,111C 'monitor':72C 'on-chain':30C 'onlin':54C 'op':11B 'patienc':64C 'polygon':34C 'polymarket':1A,7A,9A,12B 'posit':26C 'predict':4A,38C 're':77C 're-en':76C 'remain':108C 'resolv':49C,114C 'resum':120C 'root':116C 'rpc':35C 'rtds':37C 'sep':42C,65C,90C,126C 'settlement':33C 'thank':60C 'trade':2A,39C,50C,73C,118C 'type':14C 'utc':85C 'vendor':13B 'websocket':29C,36C","nicknames":[],"mitigations":[],"who_affected":null,"tier":null,"verified":{},"analyst_revisit_at":null,"fix_status":null,"audience":null,"plain_action":null,"pkeys":["polymarket"],"ptokens":["polymarket"],"labels":["incident","ops","polymarket","unknown","vendor"],"campaign_type":null,"search_a":"'cmu8mn6wo0tvz1fpci44fqlk7':8A 'degrad':3A 'inc':6A 'inc-polymarket-cmu8mn6wo0tvz1fpci44fqlk7':5A 'polymarket':1A,7A,9A 'predict':4A 'trade':2A","search_b":"'incid':10B 'op':11B 'polymarket':12B 'vendor':13B","search_c":"'+0':48C,71C,96C,132C '02':130C '14':80C '16':128C '17':92C '18':44C,67C,83C '19':43C,66C,91C,127C '2':17C '27':46C '30':94C '4':20C '40':69C '50':68C '54':129C '55':81C,84C '58':45C '59':93C 'affect':22C 'api':40C 'apolog':55C,86C 'back':53C 'cancel':103C 'cancel-on':102C 'caus':117C 'chain':32C 'clob':28C,41C 'compon':23C 'current':100C,136C 'data':27C 'delay':58C,89C 'durat':16C 'enabl':78C 'et':82C 'fix':125C 'gmt':47C,70C,95C,131C 'hour':18C 'identifi':97C 'incid':15C,139C 'investig':133C,137C 'issu':123C 'market':24C 'minut':21C 'mode':105C,111C 'monitor':72C 'on-chain':30C 'onlin':54C 'patienc':64C 'polygon':34C 'posit':26C 'predict':38C 're':77C 're-en':76C 'remain':108C 'resolv':49C,114C 'resum':120C 'root':116C 'rpc':35C 'rtds':37C 'sep':42C,65C,90C,126C 'settlement':33C 'thank':60C 'trade':39C,50C,73C,118C 'type':14C 'utc':85C 'websocket':29C,36C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2026-09-19T16:54:02+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"statuspage","external_id":"polymarket:cmu8mn6wo0tvz1fpci44fqlk7","url":"https://status.polymarket.com/incident/cmu8mn6wo0tvz1fpci44fqlk7","severity":null,"published_at":"2026-09-19T16:54:02+00:00","modified_at":"2026-09-19T16:54:02+00:00","first_seen_at":"2026-11-08T17:00:43+00:00","fetched_at":"2026-11-09T01:49:38+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"}