Cloudflare checks loop when the user agent is spoofed
Spoofed user agent triggers endless Cloudflare human verification loops and blocks captchas on many sites.
Tier I · Proven The best-established problems.
6 public reports · first reported 7 January 2024 · last reported 16 January 2026
What's going wrong
With the User-Agent Switcher add-on active, Cloudflare bot checks on many websites loop endlessly or never finish, so visitors cannot get past the verification screen.
AI-assisted: written with the help of AI from the reports. The idea report has the full summary.
In the idea report
- The full summary.
- The products the 6 reports are about, and how many came each month.
- Related problems.
No business has been found with this problem yet, so the report has no contacts. All sales are final — no refunds. Pricing.