Incomplete Cleanup Affecting org.apache.struts:struts2-core package, versions [,6.8.0)[7.0.0,7.1.1)
Threat Intelligence
Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-JAVA-ORGAPACHESTRUTS-14172798
- published3 Dec 2025
- disclosed1 Dec 2025
- creditNicolas Fournier
Introduced: 1 Dec 2025
CVE-2025-64775 (opens in a new tab)How to fix?
Upgrade org.apache.struts:struts2-core to version 6.8.0, 7.1.1 or higher.
Overview
org.apache.struts:struts2-core is a popular open-source framework for developing web applications in the Java programming language.
Affected versions of this package are vulnerable to Incomplete Cleanup in the multipart request processing in the file parameters in OGNL-mapped Value Object. An attacker can cause disk exhaustion by repeatedly sending crafted requests that trigger file leaks.
Note: CVE-2025-66675 is a duplicate of CVE-2025-64775
Workaround
This vulnerability can be mitigated by one of the following:
Define a temporary folder used to store uploaded files with limited size or on the dedicated volume which won't affect system files.
Disable file upload support in the framework if not used.