CVE-2016-4461: Apache Struts forced double OGNL evaluation

May 14, 2022 (updated April 23, 2025)

Apache Struts 2.x before 2.3.29 allows remote attackers to execute arbitrary code via a “%{}” sequence in a tag attribute, aka forced double OGNL evaluation. NOTE: this vulnerability exists because of an incomplete fix for CVE-2016-0785.

References

github.com/advisories/GHSA-864w-r5qj-h6fj
github.com/apache/struts
nvd.nist.gov/vuln/detail/CVE-2016-4461
security.netapp.com/advisory/ntap-20180629-0004
struts.apache.org/docs/s2-036.html

Code Behaviors & Features

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