AIKIDO-2026-10107
plexus-xml is vulnerable to Regular Expression Denial of Service (ReDoS)
28
Low Risk
This Affects:
plexus-xmlTL;DR
Affected versions of this package use a polynomial-time regular expression in the XML encoding detection logic (ENCODING_PATTERN) that is susceptible to catastrophic backtracking on crafted XML input, leading to excessive CPU usage (a regular expression denial of service). The patched version changes the pattern to use non-greedy matching.
Who does this affect?
You are affected if you are using a version that falls within the vulnerable range.
Background info
plexus-xml is vulnerable to Regular Expression Denial of Service (ReDoS) in versions 3.0.0 - 4.1.0.
How to fix this
Upgrade the org.codehaus.plexus:plexus-xml library to the patch version.
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