CVE-2023-41835: Apache Struts

High severity, CVSS 7.5. EPSS: 7.3% chance of exploitation in the next 30 days.

When a Multipart request is performed but some of the fields exceed the maxStringLength  limit, the upload files will remain in struts.multipart.saveDir  even if the request has been denied. Users are recommended to upgrade to versions Struts 2.5.32 or 6.1.2.2 or Struts 6.3.0.1 or greater, which fixe this issue.

Affected products

• Apache Struts: from 2.0.0, before 2.5.32 (fixed in 2.5.32); from 6.1.2.1, before 6.3.0.1 (fixed in 6.3.0.1)

Published 2023-12-05. Last modified 2026-06-17.