CVE-2023-50164: Apache Struts

Critical severity, CVSS 9.8. EPSS: 80.8% chance of exploitation in the next 30 days.

An attacker can manipulate file upload params to enable paths traversal and under some circumstances this can lead to uploading a malicious file which can be used to perform Remote Code Execution. Users are recommended to upgrade to versions Struts 2.5.33 or Struts 6.3.0.2 or greater to fix this issue.

Affected products

• Apache Struts: from 2.0.0, before 2.5.33 (fixed in 2.5.33); from 6.0.0, before 6.3.0.2 (fixed in 6.3.0.2)

Published 2023-12-07. Last modified 2026-06-17.