CVE-2026-73632

UNKNOWN 0.0

Apache Struts: Shared serialization 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-response serialization state could be shared across concurrent requests, allowing response content associated with one request to become observable in another. Only the SMD / JSON-RPC handling of the JSON interceptor is affected, which is not enabled by default; applications using the json result type 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/S2-071

Credits

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