[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fBC7yih1Th54eYcyL7nfyvH7FvHbwEf97Dyl2ZSRSz38":3},{"article":4,"iocs":42,"watch_terms":47,"solutions":48,"lesson":111},{"id":5,"title":6,"slug":7,"summary":8,"ai_summary":9,"brief":10,"url":11,"image_url":12,"published_at":13,"ingested_at":14,"relevance_score":15,"entities":16,"category_id":26,"category":27,"article_tags":31},"03ecd7ca-45bf-4ba5-a3bb-e055eae57337","🚨 A threat actor known as welcometonightbrother is sharing source code that allegedly bypasses C...","a-threat-actor-known-as-welcometonightbrother-is-sharing-source-code-that-allege-db6e3a","🚨 A threat actor known as welcometonightbrother is sharing source code that allegedly bypasses Cloudflare's Turnstile challenge, the bot-detection and CAPTCHA system used to protect websites.\n\nThe actor says the tool works in a browser-based context, has posted a link to the https:\u002F\u002Ft.co\u002FxnsKTtftJf","A threat actor using the handle welcometonightbrother has publicly shared source code claiming to bypass Cloudflare's Turnstile bot-detection and CAPTCHA system. The tool reportedly operates in a browser-based context, potentially enabling automated attacks against protected websites. This disclosure represents an active threat to web security infrastructure relying on Turnstile for bot mitigation.","Threat actor welcometonightbrother releases alleged Cloudflare Turnstile CAPTCHA bypass tool.","https:\u002F\u002Fx.com\u002FDarkWebInformer\u002Fstatus\u002F2062979694824198434","https:\u002F\u002Fpbs.twimg.com\u002Fmedia\u002FHKEs_f5XcAAGw6J.jpg","2026-06-05T19:27:42+00:00","2026-06-05T20:00:10.758802+00:00",8,[17,20,23],{"name":18,"type":19},"welcometonightbrother","threat_actor",{"name":21,"type":22},"Cloudflare Turnstile","product",{"name":24,"type":25},"Cloudflare","vendor","89f78b1c-3503-45a1-9fc7-e23d2ce1c6d5",{"id":26,"icon":28,"name":29,"slug":30},null,"Malware","malware",[32,37],{"category":33},{"id":34,"icon":28,"name":35,"slug":36},"02371804-cf6d-4449-98de-f1a2d4d9b266","Tools","tools",{"category":38},{"id":39,"icon":28,"name":40,"slug":41},"e7b231c8-5f79-4465-8d38-1ef13aea5a14","Threat Intelligence","threat-intelligence",[43],{"type":44,"value":45,"context":46},"url","https:\u002F\u002Ft.co\u002FxnsKTtftJf","Link to alleged Turnstile bypass source code shared by threat actor",[24,21],{"controls":49,"vendors":107},[50,79],{"slug":51,"name":52,"problem":53,"products":54},"vulnerability-management","Vulnerability scanning and prioritisation","You know which systems are vulnerable, and which ones to fix first.",[55,63,71],{"vendor_slug":56,"vendor_name":57,"vendor_logo":58,"product_slug":59,"product_name":60,"url":61,"description":62},"rapid7","Rapid7","\u002Fvendor-logos\u002Frapid7.png","insightvm","Rapid7 Exposure Command (InsightVM)","https:\u002F\u002Fwww.rapid7.com\u002Fproducts\u002Finsightvm\u002F","Vulnerability scanning and risk-based prioritisation; InsightVM is now part of Exposure Command, alongside attack surface and cloud risk.",{"vendor_slug":64,"vendor_name":65,"vendor_logo":66,"product_slug":67,"product_name":68,"url":69,"description":70},"qualys","Qualys","\u002Fvendor-logos\u002Fqualys.png","vmdr","Qualys VMDR","https:\u002F\u002Fwww.qualys.com\u002Fapps\u002Fvulnerability-management-detection-response\u002F","Vulnerability management, detection and response with risk-based prioritisation.",{"vendor_slug":72,"vendor_name":73,"vendor_logo":74,"product_slug":75,"product_name":76,"url":77,"description":78},"axonius","Axonius","\u002Fvendor-logos\u002Faxonius.png","axonius-exposures","Axonius Exposures","https:\u002F\u002Fwww.axonius.com\u002Fplatform\u002Fexposures","Brings findings from different scanners together with asset and business context, to show what matters most and track fixes to the end.",{"slug":80,"name":81,"problem":82,"products":83},"waf-ddos","Web application firewall and DDoS protection","Websites and APIs stay up, and common web attacks are filtered before they reach them.",[84,92,99],{"vendor_slug":85,"vendor_name":86,"vendor_logo":87,"product_slug":88,"product_name":89,"url":90,"description":91},"imperva","Imperva","\u002Fvendor-logos\u002Fimperva.png","imperva-cloud-waf","Imperva Cloud WAF","https:\u002F\u002Fwww.imperva.com\u002Fproducts\u002Fweb-application-firewall-waf\u002F","Cloud web application firewall with DDoS and bot protection.",{"vendor_slug":93,"vendor_name":24,"vendor_logo":94,"product_slug":95,"product_name":96,"url":97,"description":98},"cloudflare","\u002Fvendor-logos\u002Fcloudflare.png","cloudflare-waf","Cloudflare WAF and DDoS protection","https:\u002F\u002Fwww.cloudflare.com\u002Fproducts\u002Fwaf\u002F","Web application firewall and unmetered DDoS mitigation for websites and APIs.",{"vendor_slug":100,"vendor_name":101,"vendor_logo":102,"product_slug":103,"product_name":104,"url":105,"description":106},"akamai","Akamai","\u002Fvendor-logos\u002Fakamai.png","app-and-api-protector","Akamai App & API Protector","https:\u002F\u002Fwww.akamai.com\u002Fproducts\u002Fapp-and-api-protector","Web application firewall, bot and DDoS protection for websites and APIs.",[108],{"slug":93,"name":24,"logo_path":94,"roles":109},[110],"affected",{"slug":112,"title":113,"body":114,"framework_refs":115,"framework_notes":121},"bot-detection-bypass-tool-threatens-web-security-infrastructure","Bot Detection Bypass Tool Threatens Web Security Infrastructure","A threat actor has publicly released source code claiming to bypass Cloudflare's Turnstile system, which many organizations rely on for bot protection. This represents a critical vulnerability in web application defense mechanisms that could enable automated attacks against protected websites. Organizations using Turnstile or similar bot detection systems now face increased risk of credential stuffing, scraping, and other automated attacks. The public release of bypass techniques demonstrates how quickly security controls can be compromised once weaknesses are discovered and shared.",[116,117,118,119,120],"CIS Control 11","CIS Control 6","NIST SC-5","NIST SI-4","OWASP ASVS V13",{}]