CVE-2026-73631

UNKNOWN 0.0

Apache Struts: Shared parsing state in the JSON plugin

CVSS Score

0.0

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-567
Vendor	apache software foundation
Product	apache struts
Published	Aug 15, 2026

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Affected Versions

Apache Software Foundation / Apache Struts

7.2.1

References

NVD ↗ CVE.org ↗ EPSS Data ↗

cwiki.apache.org: https://cwiki.apache.org/confluence/display/WW/S2-070

Credits

g0w6y (https://github.com/g0w6y)