---
title: WAF Release - 2025-04-26 - Emergency · Changelog
description: Cloudflare WAF managed rulesets 2025-04-26 emergency release
chatbotDeprioritize: true
source_url:
  html: https://developers.cloudflare.com/changelog/2025-04-26-emergency-waf-release/
  md: https://developers.cloudflare.com/changelog/2025-04-26-emergency-waf-release/index.md
---

# Changelog

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## WAF Release - 2025-04-26 - Emergency

Apr 26, 2025

[WAF](https://developers.cloudflare.com/waf/)

| Ruleset | Rule ID | Legacy Rule ID | Description | Previous Action | New Action | Comments |
| - | - | - | - | - | - | - |
| Cloudflare Managed Ruleset | 54ea354d7f2d43c69b238d1419fcc883 | 100755 | React.js - Router and Remix Vulnerability - CVE:CVE-2025-43864, CVE:CVE-2025-43865 | Block | Block | This is a New Detection |
