---
title: WAF Release - 2025-09-24 - Emergency
description: Cloudflare WAF managed rulesets 2025-09-24 emergency release
image: https://developers.cloudflare.com/changelog-preview.png
---

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## WAF Release - 2025-09-24 - Emergency

Sep 24, 2025 

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

This week highlights a critical vendor-specific vulnerability: a deserialization flaw in the License Servlet of Fortra’s GoAnywhere MFT. By forging a license response signature, an attacker can trigger deserialization of arbitrary objects, potentially leading to command injection.

**Key Findings**

* GoAnywhere MFT (CVE-2025-10035): Deserialization vulnerability in the License Servlet that allows attackers with a forged license response signature to deserialize arbitrary objects, potentially resulting in command injection.

**Impact**

GoAnywhere MFT (CVE-2025-10035): Exploitation enables attackers to escalate privileges or achieve remote code execution via command injection.

| Ruleset                    | Rule ID     | Legacy Rule ID | Description                                          | Previous Action | New Action | Comments                |
| -------------------------- | ----------- | -------------- | ---------------------------------------------------- | --------------- | ---------- | ----------------------- |
| Cloudflare Managed Ruleset | ...e08b39f3 | 100787         | Fortra GoAnywhere - Auth Bypass - CVE:CVE-2025-10035 | N/A             | Block      | This is a New Detection |

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