# CVE-2006-1547: Improper Input Validation in Apache Struts

Source: https://junglewise.ai/threats/cve-2006-1547-apache-struts-1-actionform-denial-of-service-vulnerability  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2022-05-01. Updated: 2026-05-10  
License: CC BY 4.0 with a link back

CVE-2006-1547 · Severity: critical · CVSS 3.1 · Exploited in the wild · Published 2022-05-01

ActionForm in Apache Struts allows remote attackers to cause a denial of service via multipart/form-data encoded forms. The vulnerability occurs when a parameter name references the public getMultipartRequestHandler method, granting unauthorized access to elements in the CommonsMultipartRequestHandler implementation and BeanUtils.

Technologies: [struts:struts (Maven)](https://junglewise.ai/threats/technologies/struts-struts). Vendors: [Apache](https://junglewise.ai/threats/vendors/apache), [Maven](https://junglewise.ai/threats/vendors/maven).

## Quick answers

**Is CVE-2006-1547 exploited in the wild?** Yes. CVE-2006-1547 is known to be exploited in the wild, first recorded on 21 January 2022. Treat it as urgent.

**How severe is CVE-2006-1547?** Critical severity, with a CVSS score of 3.1, published 1 May 2022.

**Which products and versions are affected?** struts:struts (Maven) ECOSYSTEM:introduced=0,fixed=1.2.9.

**Is there a fix for CVE-2006-1547?** Yes. struts:struts (Maven): upgrade to 1.2.9 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2006-1547 attacked?** It is attacked over the network, in a software library.

**Am I affected by CVE-2006-1547?** Check whether you run Apache Struts 1 or struts:struts (Maven) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- struts:struts (Maven): upgrade to 1.2.9 or later

  ```sh
  # set struts:struts to 1.2.9 in your pom.xml or build.gradle
  ```


## Affected products

- Apache Software Foundation Struts before 1.2.9
- Apache Software Foundation BeanUtils 1.7

## Identifiers

- CVE-2006-1547
- GHSA-7qwv-cwgj-c8rj

## Timeline

- 2006-04-03: disclosed: Initial vulnerability report/bid date
- 2022-01-21: kev added: Added to CISA Known Exploited Vulnerabilities Catalog
- 2022-01-21: other: NVD publication date

## Related threats

- [Apache Struts Extras Before 2 has an Improper Output Neutralization for Logs Vulnerability](https://junglewise.ai/threats/cve-2025-54656-apache-struts-extras-before-2-has-an-improper-output)
- [Apache Tiles: Unvalidated input may lead to path traversal and XXE](https://junglewise.ai/threats/cve-2023-49735-apache-tiles-unvalidated-input-may-lead-to-path-traversal-and-xxe)
- [Apache Struts vulnerable to memory exhaustion](https://junglewise.ai/threats/cve-2023-34396-apache-struts-vulnerable-to-memory-exhaustion)
- [Improper Input Validation in Apache Struts](https://junglewise.ai/threats/cve-2015-0899-improper-input-validation-in-apache-struts)
- [Apache Struts XSS in multiple components](https://junglewise.ai/threats/cve-2012-1007-apache-struts-xss-in-multiple-components)