{"id":"INC-polymarket-cmuj36f3z06gf0wpm6p1b5hks","kind":"incident","aliases":[],"related":[],"title":"Polymarket: Scheduled CLOB maintenance","description":"Type: Maintenance\n    Duration: 1 hour\n\n    Affected Components: Predictions Trading API (CLOB)\n    Sep 27, 05:00:00 GMT+0 - Completed - Maintenance has completed successfully Sep 27, 04:00:01 GMT+0 - Identified - Maintenance is now in progress Sep 27, 00:34:35 GMT+0 - Identified - A scheduled CLOB release requires a brief restart, with downtime of up to \\~10 minutes. Order placement, cancels, and fills may be temporarily unavailable.","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":"open","published_at":"2026-09-27T04:00:00+00:00","first_seen_at":"2026-11-08T17:00:42+00:00","triaged_at":"2026-11-08T17:01:15+00:00","updated_at":"2026-11-08T17:01:15+00:00","category":"vendor","confidence":null,"triage":null,"analyst_status":null,"analyst_note":null,"search":"'+0':31C,43C,56C '00':28C,29C,40C,52C '01':41C '04':39C '05':27C '1':17C '10':71C '27':26C,38C,51C '34':53C '35':54C 'affect':19C 'api':23C 'brief':64C 'cancel':75C 'clob':3A,24C,60C 'cmuj36f3z06gf0wpm6p1b5hks':8A 'complet':32C,35C 'compon':20C 'downtim':67C 'durat':16C 'fill':77C 'gmt':30C,42C,55C 'hour':18C 'identifi':44C,57C 'inc':6A 'inc-polymarket-cmuj36f3z06gf0wpm6p1b5hks':5A 'incid':10B 'mainten':4A,15C,33C,45C 'may':78C 'minut':72C 'op':11B 'order':73C 'placement':74C 'polymarket':1A,7A,9A,12B 'predict':21C 'progress':49C 'releas':61C 'requir':62C 'restart':65C 'schedul':2A,59C 'sep':25C,37C,50C 'success':36C 'temporarili':80C 'trade':22C 'type':14C 'unavail':81C 'vendor':13B","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":"'clob':3A 'cmuj36f3z06gf0wpm6p1b5hks':8A 'inc':6A 'inc-polymarket-cmuj36f3z06gf0wpm6p1b5hks':5A 'mainten':4A 'polymarket':1A,7A,9A 'schedul':2A","search_b":"'incid':10B 'op':11B 'polymarket':12B 'vendor':13B","search_c":"'+0':31C,43C,56C '00':28C,29C,40C,52C '01':41C '04':39C '05':27C '1':17C '10':71C '27':26C,38C,51C '34':53C '35':54C 'affect':19C 'api':23C 'brief':64C 'cancel':75C 'clob':24C,60C 'complet':32C,35C 'compon':20C 'downtim':67C 'durat':16C 'fill':77C 'gmt':30C,42C,55C 'hour':18C 'identifi':44C,57C 'mainten':15C,33C,45C 'may':78C 'minut':72C 'order':73C 'placement':74C 'predict':21C 'progress':49C 'releas':61C 'requir':62C 'restart':65C 'schedul':59C 'sep':25C,37C,50C 'success':36C 'temporarili':80C 'trade':22C 'type':14C 'unavail':81C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2026-09-27T04:00:00+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"statuspage","external_id":"polymarket:cmuj36f3z06gf0wpm6p1b5hks","url":"https://status.polymarket.com/maintenance/cmuj36f3z06gf0wpm6p1b5hks","severity":null,"published_at":"2026-09-27T04:00:00+00:00","modified_at":"2026-09-27T04:00:00+00:00","first_seen_at":"2026-11-08T17:00:42+00:00","fetched_at":"2026-11-08T21:53:45+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"}