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MalwareJun 5, 2026

🚨 A threat actor known as welcometonightbrother is sharing source code that allegedly bypasses C...

Threat actor welcometonightbrother releases alleged Cloudflare Turnstile CAPTCHA bypass tool.

Summary

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.

Indicators of Compromise

  • url — https://t.co/xnsKTtftJf

Entities

welcometonightbrother (threat_actor)Cloudflare Turnstile (product)Cloudflare (vendor)