CVE-2023-34396: Apache Struts

High severity, CVSS 7.5. EPSS: 5.5% chance of exploitation in the next 30 days.

Allocation of Resources Without Limits or Throttling vulnerability in Apache Software Foundation Apache Struts.This issue affects Apache Struts: through 2.5.30, through 6.1.2. Upgrade to Struts 2.5.31 or 6.1.2.1 or greater

Affected products

• Apache Struts: before 2.5.31 (fixed in 2.5.31); from 6.0.0, before 6.1.2.1 (fixed in 6.1.2.1)

Published 2023-06-14. Last modified 2026-06-17.