A critical remote code execution vulnerability has been discovered in Apache Commons Text, affecting all versions prior to 1.10.0.
The flaw, tracked as CVE-2025-46295, poses a significant security risk to organizations relying on the widely-used Java library for text manipulation and processing.
The vulnerability resides in Apache Commons Text’s interpolation features, which are designed to substitute variables and expressions within text strings.
Researchers discovered that when applications pass untrusted input directly into the text-substitution API, attackers can exploit specific interpolators to trigger malicious actions.
These interpolators can execute system commands or access external resources, enabling attackers to achieve complete remote code execution on affected systems.
The attack vector is particularly dangerous because many developers may not realize the security implications of passing user-controlled input to text-substitution functions.
Applications that accept user input and process it through vulnerable interpolation methods become immediate targets for exploitation.
An attacker could craft specially crafted input strings containing interpolation expressions that execute arbitrary commands with the privileges of the application running Apache Commons Text.
Organizations using affected versions of Apache Commons Text are strongly urged to implement immediate patching.
Apache has released version 1.14.0, which addresses this vulnerability by removing or restricting the dangerous interpolation functionality.
FileMaker Server users can ensure protection by upgrading to version 22.0.4 or later, which includes the patched Apache Commons Text 1.14.0.
According to Claris, the vulnerability was responsibly disclosed by an anonymous security researcher, allowing developers adequate time to prepare patches before widespread exploitation could occur.
This discovery highlights the ongoing importance of scrutinizing third-party libraries for security flaws, as vulnerabilities in commonly-used components can impact thousands of applications across industries.
System administrators should prioritize updating all applications and services utilizing Apache Commons Text to version 1.14.0 or later.
Organizations should also audit their applications to identify where untrusted input might be processed through text-interpolation functions.
For enterprises managing multiple FileMaker deployments, upgrading to version 22.0.4 or newer should be scheduled immediately to maintain security posture.
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