This incident has been resolved.
A fix has been implemented and we are monitoring the results.
Cloudflare is investigating issues with Cloudflare Access service. This incident does not affect the Cloudflare CDN and therefore the delivery of customer websites is not impacted, however Authentication of websites visitors might be affected.
This incident affected: Latin America & the Caribbean (Bogotá, Colombia - (BOG), Buenos Aires, Argentina - (EZE), Lima, Peru - (LIM), Medellín, Colombia - (MDE), Panama City, Panama - (PTY), Quito, Ecuador - (UIO), Rio de Janeiro, Brazil - (GIG), São Paulo, Brazil - (GRU), Valparaíso, Chile - (SCL), Willemstad, Curaçao - (CUR)), Middle East (Baghdad, Iraq - (BGW), Beirut, Lebanon - (BEY), Doha, Qatar - (DOH), Dubai, United Arab Emirates - (DXB), Kuwait City, Kuwait - (KWI), Muscat, Oman - (MCT), Riyadh, Saudi Arabia - (RUH), Tel Aviv, Israel - (TLV)), Africa (Cairo, Egypt - (CAI), Cape Town, South Africa - (CPT), Djibouti City, Djibouti - (JIB), Durban, South Africa - (DUR), Johannesburg, South Africa - (JNB), Luanda, Angola - (LAD), Mombasa, Kenya - (MBA), Port Louis, Mauritius - (MRU)), Asia (Bangkok, Thailand - (BKK), Cebu, Philippines - (CEB), Chengdu, China - (CTU), Chennai, India - (MAA), Colombo, Sri Lanka - (CMB), Dongguan, China - (SZX), Foshan, China - (FUO), Fuzhou, China - (FOC), Guangzhou, China - (CAN), Hangzhou, China - (HGH), Hengyang, China - (HNY), Hong Kong, Hong Kong - (HKG), Jinan, China - (TNA), Kuala Lumpur, Malaysia - (KUL), Kathmandu, Nepal - (KTM), Langfang, China - (NAY), Luoyang, China - (LYA), Macau, Macau - (MFM), Manila, Philippines - (MNL), Mumbai, India - (BOM), Nanning, China - (NNG), New Delhi, India - (DEL), Osaka, Japan - (KIX), Phnom Penh, Cambodia - (PNH), Qingdao, China - (TAO), Seoul, South Korea - (ICN), Shenyang, China - (SHE), Shijiazhuang, China - (SJW), Singapore, Singapore - (SIN), Suzhou, China - (SZV), Taipei, Taiwan - (TPE), Tianjin, China - (TSN), Tokyo, Japan - (NRT), Wuhan, China - (WUH), Wuxi, China - (WUX), Xi'an, China - (XIY), Yerevan, Armenia - (EVN), Zhengzhou, China - (CGO), Zuzhou, China - (CSX)), North America (Ashburn, VA, United States - (IAD), Atlanta, GA, United States - (ATL), Boston, MA, United States - (BOS), Calgary, AB, Canada - (YYC), Chicago, IL, United States - (ORD), Dallas, TX, United States - (DFW), Denver, CO, United States - (DEN), Detroit, MI, United States - (DTW), Houston, TX, United States - (IAH), Indianapolis, IN, United States - (IND), Jacksonville, FL, United States - (JAX), Kansas City, MO, United States - (MCI), Las Vegas, NV, United States - (LAS), Los Angeles, CA, United States - (LAX), McAllen, TX, United States - (MFE), Memphis, TN, United States - (MEM), Mexico City, Mexico (MEX), Miami, FL, United States - (MIA), Minneapolis, MN, United States - (MSP), Montréal, QC, Canada - (YUL), Nashville, TN, United States - (BNA), Newark, NJ, United States - (EWR), Omaha, NE, United States - (OMA), Phoenix, AZ, United States - (PHX), Pittsburgh, PA, United States - (PIT), Portland, OR, United States - (PDX), Sacramento, CA, United States - (SMF), Salt Lake City, UT, United States - (SLC), San Diego, CA, United States - (SAN), San Jose, CA, United States - (SJC), Saskatoon, SK, Canada - (YXE), Seattle, WA, United States - (SEA), St. Louis, MO, United States - (STL), Tampa, FL, United States - (TPA), Toronto, ON, Canada - (YYZ), Vancouver, BC, Canada - (YVR), Tallahassee, FL, United States - (TLH)), Oceania (Auckland, New Zealand - (AKL), Brisbane, QLD, Australia - (BNE), Melbourne, VIC, Australia - (MEL), Perth, WA, Australia - (PER), Sydney, NSW, Australia - (SYD)), Europe (Amsterdam, Netherlands - (AMS), Athens, Greece - (ATH), Barcelona, Spain - (BCN), Belgrade, Serbia - (BEG), Berlin, Germany - (TXL), Brussels, Belgium - (BRU), Bucharest, Romania - (OTP), Budapest, Hungary - (BUD), Chișinău, Moldova - (KIV), Copenhagen, Denmark - (CPH), Dublin, Ireland - (DUB), Düsseldorf, Germany - (DUS), Edinburgh, United Kingdom - (EDI), Frankfurt, Germany - (FRA), Hamburg, Germany - (HAM), Helsinki, Finland - (HEL), Istanbul, Turkey - (IST), Kiev, Ukraine - (KBP), Lisbon, Portugal - (LIS), London, United Kingdom - (LHR), Luxembourg City, Luxembourg - (LUX), Madrid, Spain - (MAD), Manchester, United Kingdom - (MAN), Marseille, France - (MRS), Milan, Italy - (MXP), Moscow, Russia - (DME), Munich, Germany - (MUC), Oslo, Norway - (OSL), Paris, France - (CDG), Prague, Czech Republic - (PRG), Reykjavík, Iceland - (KEF), Riga, Latvia - (RIX), Rome, Italy - (FCO), Sofia, Bulgaria - (SOF), Stockholm, Sweden - (ARN), Tallinn, Estonia - (TLL), Vienna, Austria - (VIE), Vilnius, Lithuania - (VNO), Warsaw, Poland - (WAW), Zagreb, Croatia - (ZAG), Zürich, Switzerland - (ZRH)), and Cloudflare customer dashboard and APIs (Cloudflare.com, Cloudflare APIs, Analytics, SSL Certificates, Enterprise Log Share, Always Online, Billing, Cloudflare Access).