---
description: Cloudflare Free Ruleset 2026-10-21 emergency release
title: WAF Release - 2026-10-21 - Emergency - Cloudflare Free Ruleset
image: https://developers.cloudflare.com/changelog/post/2026-10-21-emergency-waf-release-free/og.png?v=8d67e58b305348f6
---

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October 21, 2026

## WAF Release - 2026-10-21 - Emergency - Cloudflare Free Ruleset

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

Copy as Markdown| [View as Markdown](https://developers.cloudflare.com/changelog/post/2026-10-21-emergency-waf-release-free/index.md)| [Agent setup](https://developers.cloudflare.com/agent-setup/)

This emergency release adds seven rules to the Cloudflare Free Ruleset to block anomalous request patterns.

| Ruleset | Rule ID | Legacy Rule ID | Description | Previous Action | New Action | Comments |
| --- | --- | --- | --- | --- | --- | --- |
| Cloudflare Free Ruleset | ...b5ccf32f | N/A | Generic Rules - Anomalous Execution - 1 | N/A | Block | This is a new detection. |
| Cloudflare Free Ruleset | ...bcd95984 | N/A | Generic Rules - Anomalous Execution - 2 | N/A | Block | This is a new detection. |
| Cloudflare Free Ruleset | ...82dab691 | N/A | Generic Rules - Anomalous Execution - 3 | N/A | Block | This is a new detection. |
| Cloudflare Free Ruleset | ...24b1a4c6 | N/A | Generic Rules - Anomalous Execution - 4 | N/A | Block | This is a new detection. |
| Cloudflare Free Ruleset | ...302ede46 | N/A | Generic Rules - Anomalous Execution - 5 | N/A | Block | This is a new detection. |
| Cloudflare Free Ruleset | ...7975ce1b | N/A | Generic Rules - Anomalous Execution - 6 | N/A | Block | This is a new detection. |
| Cloudflare Free Ruleset | ...e8d613fa | N/A | Generic Rules - Anomalous Execution - 7 | N/A | Block | This is a new detection. |

For more information, refer to [WAF Managed Rules](https://developers.cloudflare.com/waf/managed-rules/).

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