CVE-2024-53677: Apache Struts2 Core Critical File Upload Logic Flaw
Summary
CVE-2024-53677: Apache Struts file upload logic is flawed. Affects org.apache.struts:struts2-core versions < 6.4.0. Fixed in 6.4.0. How to fix ↓
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Background
Apache Struts is a popular open-source framework for building web applications in Java. It provides a robust set of features for developing enterprise-level applications, including MVC architecture, extensibility, and integration with various technologies. However, certain versions of Apache Struts are vulnerable to a critical flaw in their file upload logic, which can lead to severe security risks.
Vulnerability Detail
The vulnerability in Apache Struts arises from flawed file upload logic, which can be exploited by attackers to upload malicious files. This issue affects versions from 2.0.0 up to, but not including, 6.4.0. If exploited, it can lead to unauthorized access to sensitive data, potential system compromise, and other severe ramifications. The flaw is categorized under CWE-22 (Improper Limitation of a Pathname to a Restricted Directory) and CWE-434 (Unrestricted Upload of File with Dangerous Type).
How To Fix
Latest published version: 7.4.0 as of 22 Oct 2026
Upgrading to it may include breaking changes; the version below is the minimum fixed release for this vulnerability.
If you need the minimum change
6.4.0
This is the first release that contains the fix.
Tip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
As a temporary workaround, it is advisable to disable file uploads until the upgrade can be performed. This can be done by modifying the application configuration to restrict file upload functionalities.
Conclusion
The Apache Struts file upload logic flaw (CVE-2024-53677) poses a critical security risk to applications using affected versions. It is essential for users to upgrade to version 6.4.0 or later to mitigate this vulnerability and protect their applications from potential exploitation.
See every vulnerability recorded for org.apache.struts:struts2-core →
FAQ
The vulnerability is a flaw in the file upload logic of Apache Struts that allows attackers to upload malicious files.
Versions from 2.0.0 up to, but not including, 6.4.0 are affected by this vulnerability.
You can use Vulert to monitor and alert for open-source vulnerabilities in your software. Without requiring access to the code or installation, Vulert uses just the pom.xml file. You can also check if your application is affected using the Vulert playground at Vulert Scanner.
Failure to address this vulnerability can lead to unauthorized access, data breaches, and potential system compromise.
Yes, upgrading to Apache Struts version 6.4.0 or later will patch this vulnerability.
References
Related vulnerabilities
Recent vulnerabilities recorded for org.apache.struts:struts2-core.
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