---
description: Cloudflare WAF managed rulesets 2025-09-24 emergency release
title: WAF Release - 2025-09-24 - Emergency
image: https://developers.cloudflare.com/changelog/post/2025-09-24-emergency-waf-release/og.png?v=15be5755e7ed6425
---

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September 24, 2025

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

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

Copy as Markdown| [View as Markdown](https://developers.cloudflare.com/changelog/post/2025-09-24-emergency-waf-release/index.md)| [Agent setup](https://developers.cloudflare.com/agent-setup/)

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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