PHP Vulnerability Responses by Company

Cloudflare

Global cloud / infrastructure
Aliases / services
Cloudflare / クラウドフレア / Cloud Flare
Official website
https://www.cloudflare.com/

Each response applies only to its stated service scope. “Not listed” does not mean unpatched or unaffected.

Response status by service

Cloudflare WAF

Response status
Protection available on all plans
Response information checked
2026-10-27

Current re-audit: Official response verified · Research date: 2026-10-27

Protection is deployed on WAF-enabled plans, including Free, with automatic response-side protection.

What users should do

On paid plans, verify Managed Ruleset Block mode. Check response rules under Security > Security Rules and update origin PHP.

Official service URL

Source URLs

  1. Cloudflare: WAF protection against PHP2Shellhttps://blog.cloudflare.com/php-vulnerabilities-waf-protectionResponse evidence
  2. https://developers.cloudflare.com/waf/change-log/changelog/https://developers.cloudflare.com/waf/change-log/changelog/Service and operation documentation
Related official sources
  1. Cloudflare: WAF protection against PHP2ShellOfficial notice

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