CVE-2006-1547

Improper Input Validation in Apache Struts

7.5 HighIn KEVFix available

ActionForm in Apache Software Foundation (ASF) Struts before 1.2.9 with BeanUtils 1.7 allows remote attackers to cause a denial of service via a multipart/form-data encoded form with a parameter name that references the public getMultipartRequestHandler method, which provides further access to elements in the CommonsMultipartRequestHandler implementation and BeanUtils.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: None
Integrity: None
Availability: High

Exploit likelihood

54.6%Up 47.1 points since Feb 4, 2022

What each source reports

NVD Score used 7.5

Record: CVE-2006-1547
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0: 7.8 HighAV:N/AC:L/Au:N/C:N/I:N/A:C
Weakness: CWE-749
Updated: 2026-11-02

CVE List 7.5

Record: CVE-2006-1547
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness: CWE-749
Updated: 2026-11-02

EUVDEUVD-2022-3054 7.5

Record: EUVD-2022-3054
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated: 2026-11-02

GitHub AdvisoriesGHSA-7qwv-cwgj-c8rj 7.5

Improper Input Validation in Apache Struts

Record: GHSA-7qwv-cwgj-c8rj
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:H
Weakness: CWE-20, CWE-749
Updated: 2026-11-02

CISA KEV No score

Apache Struts 1 ActionForm Denial-of-Service Vulnerability

ActionForm in Apache Struts versions before 1.2.9 with BeanUtils 1.7 contains a vulnerability that allows for denial-of-service (DoS).

Record: CVE-2006-1547
Updated: 2026-11-02

OSVGHSA-7qwv-cwgj-c8rj 7.5

Improper Input Validation in Apache Struts

Record: GHSA-7qwv-cwgj-c8rj
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:H
Weakness: CWE-20, CWE-749
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`struts:struts` Maven	before 1.2.9	1.2.9
`struts:struts` Maven	before 1.2.9, plus listed versions 1.0.21.11.1-b2-200211241.1-b31.1-beta-2 Show 6 moreShow less 1.1-rc11.1-rc21.2.21.2.41.2.71.2.8	1.2.9

History

History
Recorded	Changed	Sources
Nov 3, 2026	exploitation
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, CISA KEV, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2006-1547 is a high vulnerability (CVSS 7.5) in Apache Struts, published March 30, 2006. CISA lists it as known to be exploited, since January 21, 2022. EUVD reports exploitation since January 21, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 54.6%, the 99th percentile. Fixed in struts:struts 1.2.9.

References

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