---
id: CVE-2025-66675
title: >-
  Denial of Service vulnerability in Apache Struts, file leak in multipart
  request processing causes disk exhaustion.


  This issue affects Apache Struts: from 2.0.0 through 6.7.4, from 7.0.0 through
  7.0.3.


  Users are recommended to upgrade …
summary: >-
  Denial of Service vulnerability in Apache Struts, file leak in multipart
  request processing causes disk exhaustion.


  This issue affects Apache Struts: from 2.0.0 through 6.7.4, from 7.0.0 through
  7.0.3.


  Users are recommended to upgrade …
severity: high
cvss: 8.2
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H'
cwe:
  - CWE-459
vendor: apache
product: struts
affected:
  - 'struts >= 2.0.0, <= 2.3.37'
  - 'struts >= 2.5.0, <= 2.5.33'
  - 'struts >= 6.0.0, < 6.8.0'
  - 'struts >= 7.0.0, < 7.1.1'
patched:
  - struts 7.1.1
published: '2025-12-10'
updated: '2026-10-14'
sourceUpdated: '2026-10-14T21:10:00.183'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-66675'
references:
  - url: 'https://cve.org/CVERecord?id=CVE-2025-64775'
    label: security@apache.org
  - url: 'https://cwiki.apache.org/confluence/display/WW/S2-068'
    label: security@apache.org
tags:
  - nvd
epss: 0.00594
epssPercentile: 0.47148
ingestedAt: '2026-10-14T21:57:04.780Z'
---

## Overview

Denial of Service vulnerability in Apache Struts, file leak in multipart request processing causes disk exhaustion.

This issue affects Apache Struts: from 2.0.0 through 6.7.4, from 7.0.0 through 7.0.3.

Users are recommended to upgrade to version 6.8.0 or 7.1.1, which fixes the issue.

It's related to  https://cve.org/CVERecord?id=CVE-2025-64775  - this CVE addresses missing affected version 6.7.4

## Affected

- `struts >= 2.0.0, <= 2.3.37`
- `struts >= 2.5.0, <= 2.5.33`
- `struts >= 6.0.0, < 6.8.0`
- `struts >= 7.0.0, < 7.1.1`

## Remediation

Upgrade past the affected range:

- `struts 7.1.1`