{"id":"INC-cloudflare-dk2obcyw2aew","kind":"incident","aliases":[],"related":[],"title":"Cloudflare: ERR_TIMED_OUT and ERR_EMPTY_RESPONSE being observed by Cloudflare Customers","description":"Cloudflare has identified a third-party issue affecting customers whose traffic passes through external vendor firewalls after recent firmware upgrades.  Customers may observe:\n\n\nERR_TIMED_OUT on standard HTTPS websites\nERR_EMPTY_RESPONSE on non-standard HTTPS ports (e.g., 8443)\n\nCloudflare's network and edge are functioning normally — these failures occur at the firewall inspection layer and can only be resolved with actions on the 3rd party software configuration.","summary":null,"severity":"medium","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[{"name":"Cloudflare","fixed":[],"affected":"","ecosystem":"vendor"}],"ecosystems":["vendor"],"tags":["cdn","cloudflare","dns","incident","ops","vendor"],"not_affected_if":[],"how_to_check":null,"fix":null,"status":"open","published_at":"2026-10-27T12:28:07+00:00","first_seen_at":"2026-10-27T12:30:10+00:00","triaged_at":"2026-10-27T12:31:53+00:00","updated_at":"2026-10-27T13:20:33+00:00","category":"vendor","confidence":null,"triage":null,"analyst_status":null,"analyst_note":null,"search":"'3rd':92C '8443':66C 'action':89C 'affect':33C 'cdn':19B 'cloudflar':1A,12A,20B,25C,67C 'cloudflare':16A,18A 'configur':95C 'custom':13A,34C,46C 'dk2obcyw2aew':17A 'dns':21B 'e.g':65C 'edg':71C 'empti':7A,57C 'err':2A,6A,49C,56C 'extern':39C 'failur':76C 'firewal':41C,80C 'firmwar':44C 'function':73C 'https':54C,63C 'identifi':27C 'inc':15A 'inc-cloudflare-dk2obcyw2aew':14A 'incid':22B 'inspect':81C 'issu':32C 'layer':82C 'may':47C 'network':69C 'non':61C 'non-standard':60C 'normal':74C 'observ':10A,48C 'occur':77C 'op':23B 'parti':31C,93C 'pass':37C 'port':64C 'recent':43C 'resolv':87C 'respons':8A,58C 'softwar':94C 'standard':53C,62C 'third':30C 'third-parti':29C 'time':3A,50C 'traffic':36C 'upgrad':45C 'vendor':24B,40C 'websit':55C 'whose':35C","nicknames":[],"mitigations":[],"who_affected":null,"tier":"C","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-27T12:28:07+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"statuspage","external_id":"cloudflare:dk2obcyw2aew","url":"https://www.cloudflarestatus.com/incidents/dk2obcyw2aew","severity":"medium","published_at":"2026-10-27T12:28:07+00:00","modified_at":"2026-10-27T14:32:33+00:00","first_seen_at":"2026-10-27T12:30:10+00:00","fetched_at":"2026-10-27T14:35:24+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"}