Critical (9.8) in apache struts. EPSS 81% chance of exploitation in the next 30 days. Fixed in org.apache.struts:struts2-core 2.5.33, 6.3.0.2.
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.
Severity
CVSS 3.1
9.8 critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
81% chance of exploitation in the next 30 days; higher than 99% of CVEs (scores of 2026-10-31)