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

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, org.apache.struts:struts2-core (Maven). Vendors: Apache, 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
    # 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

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