---
title: WAF Release - 2026-07-01
description: Cloudflare WAF managed rulesets 2026-07-01
image: https://edgetunnel-b2h.pages.dev/changelog-preview.png
---

> Documentation Index  
> Fetch the complete documentation index at: https://edgetunnel-b2h.pages.dev/changelog/llms.txt  
> Use this file to discover all available pages before exploring further. 

[Skip to content](#%5Ftop) 

# Changelog

New updates and improvements at Cloudflare.

[ Subscribe to RSS ](https://edgetunnel-b2h.pages.dev/changelog/rss/index.xml) [ View RSS feeds ](https://edgetunnel-b2h.pages.dev/fundamentals/new-features/available-rss-feeds/) 

![hero image](https://edgetunnel-b2h.pages.dev/_astro/hero.CVYJHPAd_26AMqX.svg) 

[ ← Back to all posts ](https://edgetunnel-b2h.pages.dev/changelog/) 

## WAF Release - 2026-07-01

Jul 01, 2026 

[ WAF ](https://edgetunnel-b2h.pages.dev/waf/) 

This release adds targeted coverage for a path traversal flaw in Fortinet FortiSandbox (CVE-2026-39813) and transitions the Anomaly:Header:User-Agent - Fake Bing or MSN Bot rule action from Block to Disabled.

**Key Findings**

* CVE-2026-39813: A path traversal vulnerability in Fortinet FortiSandbox allows remote, unauthenticated attackers to read arbitrary files from the underlying filesystem due to insufficient validation of user-supplied input paths.

| Ruleset                    | Rule ID     | Legacy Rule ID | Description                                                 | Previous Action | New Action | Comments                                                        |
| -------------------------- | ----------- | -------------- | ----------------------------------------------------------- | --------------- | ---------- | --------------------------------------------------------------- |
| Cloudflare Managed Ruleset | ...d84c92c9 | N/A            | Fortinet FortiSandbox - Path Traversal - CVE:CVE-2026-39813 | Log             | Block      | This is a new detection.                                        |
| Cloudflare Managed Ruleset | ...c12cf9c8 | N/A            | Anomaly:Header:User-Agent - Fake Bing or MSN Bot            | Enabled         | Disabled   | We are changing the action for this rule from BLOCK to Disabled |

```json
{"@context":"https://schema.org","@type":"BlogPosting","@id":"https://edgetunnel-b2h.pages.dev/changelog/post/2026-07-01-waf-release/#page","headline":"WAF Release - 2026-07-01 · Changelog","description":"Cloudflare WAF managed rulesets 2026-07-01","url":"https://edgetunnel-b2h.pages.dev/changelog/post/2026-07-01-waf-release/","inLanguage":"en","image":"https://edgetunnel-b2h.pages.dev/changelog-preview.png","dateModified":"2026-07-01","datePublished":"2026-07-01","publisher":{"@type":"Organization","name":"Cloudflare","url":"https://www.cloudflare.com/"},"isPartOf":{"@type":"WebSite","@id":"https://edgetunnel-b2h.pages.dev/#website","name":"Cloudflare Docs","url":"https://edgetunnel-b2h.pages.dev/"}}
```