US Stock Market Movement: Cloudflare surged on October 22 due to PHP vulnerabilities, enhanced security protection, and cloud services
Bitget异动解读2026/10/22 13:47Cloudflare’s Surge on October 22: Analysis
Keywords: PHP vulnerability, security protection, cloud services
1. On October 20, information about a critical PHP vulnerability was leaked in advance. Before the patch was released on October 21, Cloudflare had already detected exploitation attempts. After disclosure, attack attempts surged from thousands to millions. The vulnerability affects PHP version 5.4 and above, and it’s estimated that related servers power about 70% of websites globally. As a result, the cybersecurity sector strengthened.
2. On October 21, Cloudflare announced that it had deployed Web Application Firewall rules targeting known attack vectors for its customers, which are also available for free users. The company has also coordinated protective measures with the PHP Foundation, OpenAI, and Wiz.
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