CVE-2026-73631

Exposure of data element to wrong session vulnerability in the JSON plugin of Apache Struts. Per-request parsing state could be shared across concurrent requests, allowing data associated with one request to become observable in another, and configured parsing limits not to be enforced as intended. Populating actions from a JSON request body is not enabled by default; applications that do not use the JSON plugin are not affected. This issue affects Apache Struts: 7.2.1. Users are recommended to upgrade to version 7.3.0, which fixes the issue.

Score
CVSS 3.1 4.3 Medium
Status
Analyzed - security@apache.org
Published
2026-08-15
Last modified
2026-08-17
Weaknesses
CWE-567

Affected products

References

 
 
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