CVE-2025-49124: Apache Tomcat: exe side-loading via icalcs.exe in Tomcat installer for Windows

[Mark Thomas <markt () apache org>]

Severity: low

Affected versions:

- Apache Tomcat 11.0.0-M1 through 11.0.7
- Apache Tomcat 10.1.0 through 10.1.41
- Apache Tomcat 9.0.23 through 9.0.105

Description:

Untrusted Search Path vulnerability in Apache Tomcat installer for 
Windows. During installation, the Tomcat installer for Windows used 
icacls.exe without specifying a full path.

This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.7, from 
10.1.0 through 10.1.41, from 9.0.23 through 9.0.105.

Users are recommended to upgrade to version 11.0.8, 10.1.42 or 9.0.106, 
which fix the issue.

Credit:

T. Doğa Gelişli https://linkedin.com/in/tdogagelisli/ (finder)

References:

https://lists.apache.org/thread/lnow7tt2j6hb9kcpkggx32ht6o90vqzv
https://tomcat.apache.org/
https://www.cve.org/CVERecord?id=CVE-2025-49124