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CVE-2026-73632— Apache Struts: Shared serialization state in the JSON plugin

Quick assessment

Affected
Apache Software Foundation Apache Struts
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Apache Struts是美国Apache基金会开源的一款基于MVC模式的Java Web应用框架。 Apache Struts 7.2.1版本存在竞争条件问题漏洞，该漏洞源于JSON插件中每个响应的序列化状态可能在并发请求之间共享，导致与一个请求关联的响应内容可在另一个请求中观察到。

AI Predicted 7.5 Difficulty: Moderate EPSS 0.38% · P29

Affected Version Matrix 1

VendorProduct Version RangeStatus
Apache Software Foundation Apache Struts 7.2.1 affected
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I. Basic Information for CVE-2026-73632

Vulnerability Information
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Vulnerability Title
Apache Struts: Shared serialization state in the JSON plugin
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
在多现场上下文中未能对共享数据进行同步访问
Source: CVE Program / CVE List V5
Vulnerability Title
Apache Struts 竞争条件问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Apache Struts是美国Apache基金会开源的一款基于MVC模式的Java Web应用框架。 Apache Struts 7.2.1版本存在竞争条件问题漏洞，该漏洞源于JSON插件中每个响应的序列化状态可能在并发请求之间共享，导致与一个请求关联的响应内容可在另一个请求中观察到。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Apache Software Foundation Apache Struts 7.2.1 -

II. Public POCs for CVE-2026-73632

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III. Intelligence Information for CVE-2026-73632

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Vendor Advisories for CVE-2026-73632 (1)

Same Patch Batch · Apache Software Foundation · 2026-08-15 · 4 CVEs total

CVE-2026-73634 Apache Struts: Unbounded read of a Content Security Policy violation report
CVE-2026-73635 Apache Struts: Unbounded growth of localized-text caches driven by the request locale
CVE-2026-73631 Apache Struts: Shared parsing state in the JSON plugin

IV. Related Vulnerabilities

Same product: Apache Struts
Same vendor: Apache Software Foundation
Same weakness: CWE-567

V. Comments for CVE-2026-73632

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