CVE-2020-26282: Server-Side Template Injection in com.browserup:browserup-proxy
Summary
CVE-2020-26282: Server-Side Template Injection. Affects com.browserup:browserup-proxy versions < 2.1.2. Fixed in 2.1.2. How to fix ↓
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Background
com.browserup:browserup-proxy is a Maven package that provides a proxy server for web browsers. It allows users to capture, manipulate, and replay HTTP/S traffic. The package is widely used for testing and debugging web applications. However, a vulnerability has been discovered in the package that allows attackers to perform Server-Side Template Injection.
Vulnerability Detail
The Server-Side Template Injection vulnerability in com.browserup:browserup-proxy allows attackers to inject arbitrary Java EL expressions, leading to unauthenticated Remote Code Execution (RCE). This can have severe consequences, as it allows attackers to execute arbitrary code on the server, potentially compromising the entire system. The vulnerability has been assigned CVE-2020-26282 and has a CVSS score of 10.0.
How To Fix
Latest published version: 2.1.2 as of 22 Oct 2026
The newest release already contains this fix.
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Workaround
There are no known workarounds for this vulnerability. It is essential to upgrade to the patched version to mitigate the risk of exploitation.
Conclusion
The Server-Side Template Injection vulnerability in com.browserup:browserup-proxy can have severe consequences, allowing attackers to execute arbitrary code on the server. It is crucial for all users to upgrade to version 2.1.2 or higher to mitigate the risk. For further support on vulnerability remediation, contact DevNack.com.
See every vulnerability recorded for com.browserup:browserup-proxy →
FAQ
com.browserup:browserup-proxy is a Maven package that provides a proxy server for web browsers. It is commonly used for testing and debugging web applications.
Server-Side Template Injection is a vulnerability that allows attackers to inject malicious code into server-side templates, leading to potential remote code execution.
The impact of this vulnerability is unauthenticated Remote Code Execution (RCE), which allows attackers to execute arbitrary code on the server.
To fix this vulnerability, upgrade to version 2.1.2 or higher of com.browserup:browserup-proxy.
No, there are no known workarounds for this vulnerability. Upgrading to the patched version is the recommended solution.
