High (7.5) in Apache Struts 1. In CISA KEV since 2022-01-21. EPSS 55% chance of exploitation in the next 30 days. Fixed in struts:struts 1.2.9.
ActionForm in Apache Software Foundation (ASF) Struts before 1.2.9 with BeanUtils 1.7 allows remote attackers to cause a denial of service via a multipart/form-data encoded form with a parameter name that references the public getMultipartRequestHandler method, which provides further access to elements in the CommonsMultipartRequestHandler implementation and BeanUtils.
Severity
CVSS 3.1
7.5 high
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
55% chance of exploitation in the next 30 days; higher than 99% of CVEs (scores of 2026-10-31)