# CVE-2025-66675: Apache Struts has a Denial of Service vulnerability

Source: https://junglewise.ai/threats/cve-2025-66675-apache-struts-has-a-denial-of-service-vulnerability  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2025-12-10  
License: CC BY 4.0 with a link back

CVE-2025-66675 · Severity: high · CVSS 8.2 · Published 2025-12-10

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

Technologies: [Apache Struts](https://junglewise.ai/threats/technologies/struts), [org.apache.struts:struts2-core (Maven)](https://junglewise.ai/threats/technologies/org-apache-struts-struts2-core). Vendors: [Apache](https://junglewise.ai/threats/vendors/apache), [Maven](https://junglewise.ai/threats/vendors/maven).

## Quick answers

**Is CVE-2025-66675 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2025-66675 being exploited in the wild.

**How severe is CVE-2025-66675?** High severity, with a CVSS score of 8.2, published 10 December 2025.

**Which products and versions are affected?** org.apache.struts:struts2-core (Maven) ECOSYSTEM:introduced=2.0.0,fixed=6.8.0.

**Is there a fix for CVE-2025-66675?** Yes. org.apache.struts:struts2-core (Maven): upgrade to 6.8.0 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected by CVE-2025-66675?** Check whether you run Apache Struts or org.apache.struts:struts2-core (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

- org.apache.struts:struts2-core (Maven): upgrade to 6.8.0 or later

  ```sh
  # set org.apache.struts:struts2-core to 6.8.0 in your pom.xml or build.gradle
  ```


## Affected products

- Apache Struts
- org.apache.struts:struts2-core (Maven) ECOSYSTEM:introduced=2.0.0,fixed=6.8.0

## Identifiers

- CVE-2025-66675
- GHSA-rg58-xhh7-mqjw

## Related threats

- [Apache Struts race condition in message formatter for date/time arguments](https://junglewise.ai/threats/cve-2026-104714-concurrent-execution-using-shared-resource-with-improper)
- [Apache Struts REST plugin unbounded request body denial of service](https://junglewise.ai/threats/cve-2026-104713-allocation-of-resources-without-limits-or-throttling)
- [Apache Struts asymmetric resource consumption in BigDecimal rendering](https://junglewise.ai/threats/cve-2026-104712-asymmetric-resource-consumption-amplification-vulnerability-in)
- [Apache Struts expression language injection in legacy RESTful action mapper](https://junglewise.ai/threats/cve-2026-104711-improper-neutralization-of-special-elements-used-in-an)
- [Apache Struts XXE injection in XWork component](https://junglewise.ai/threats/cve-2025-68493-apache-struts-xxe-injection-in-xwork-component)