Actively exploited
Listed in CISA’s Known Exploited Vulnerabilities catalog since October 8, 2026.
CVE-2016-3081
Apache Struts Command Injection Vulnerability
Added to KEV October 8, 2026
Alert details
- Source feed
- CISA KEV
- CVE ID
- CVE-2016-3081
- CWE
- CWE-77
- Affected products
- Struts · Apache Struts · Apache
What happened
Apache Struts contains a command injection vulnerability that could allow remote attackers to execute arbitrary code via method:prefix when Dynamic Method Invocation is enabled.
What it means for your business
Apache Struts is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2016-3081). Apache Struts contains a command injection vulnerability that could allow remote attackers to execute arbitrary code via method:prefix when Dynamic Method Invocation is enabled. CISA remediation due date: 2026-10-11. If you need help checking exposure, call (864) 335-9223.
Required action
Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
CISA due date: October 11, 2026
Sources
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