# CVE-2016-3081: Old Apache Struts websites can be taken over remotely

Status: Being used now (CISA KEV, added 2026-10-08)
Who: Companies running websites built on Apache Struts, especially older ones.
Do this: Update Apache Struts to a supported version and turn off Dynamic Method Invocation.

## Agent prompt (read-only)
Read-only check, change nothing, send nothing anywhere.
Is Apache Struts (CVE-2016-3081) installed or running on this machine or in this project?
1. Find every copy and its version (apps, packages, containers, lockfiles).
2. Compare each version against the vendor's fixed version for CVE-2016-3081. Quote the vendor page you used.
3. Report a table: where, version, fixed version, status (exposed / fixed / not installed / unsure).
4. List the exact update steps, but do not run them.

## Official description
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.

## Sources
- https://nvd.nist.gov/vuln/detail/CVE-2016-3081
- https://nvd.nist.gov/vuln/detail/CVE-2016-3081

Generated by isitexploited.org from public sources. Verify version numbers against the vendor before acting.