CVE-2025-64775: Apache Struts: File leak in multipart request processing causes disk exhaustion (DoS)

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-12-01 · updated 2026-10-18
Weakness: CWE-459

Description

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 6.7.0, 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.

Affected products

Apache Struts: from 2.0.0 before 6.8.0; from 7.0.0 before 7.1.1 — fixed in 6.8.0, 7.1.1

How to fix

Upgrade to a fixed version: Apache Struts 6.8.0, 7.1.1. Check the vendor advisory for mitigations.

References

https://cwiki.apache.org/confluence/display/WW/S2-068
http://www.openwall.com/lists/oss-security/2025/12/01/2

Get alerted when CVE-2025-64775 or the next vulnerability affects your stack