CVE-2016-4438

9.8 criticalEPSS 17%

Critical (9.8) in apache struts. EPSS 17% chance of exploitation in the next 30 days. Fixed in org.apache.struts:struts2-core 2.3.29.

The REST plugin in Apache Struts 2 2.3.19 through 2.3.28.1 allows remote attackers to execute arbitrary code via a crafted expression.

Severity

9.8 critical

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 17% chance of exploitation in the next 30 days; higher than 97% of CVEs (scores of 2026-10-31)
CWE: CWE-20
Published: 2016-07-04
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Advisory	Ecosystem	Package	Affected	Fixed in
GHSA-4prj-vw9j-v6pr	Maven	org.apache.struts:struts2-core	>=2.3.19 <2.3.29	2.3.29
GHSA-4prj-vw9j-v6pr	Maven	org.apache.struts:struts2-rest-plugin	>=2.3.19 <2.3.29	2.3.29