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CVE-2026-9497— changmingxie tcc-transaction Fastjson AutoType REST API Fastjson.parseObject deserialization

Quick assessment

Affected
changmingxie tcc-transaction
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.

TCC-TRANSACTION是changmingxie个人开发者的一款分布式事务解决方案。 TCC-TRANSACTION 2.1.0及之前版本存在代码问题漏洞，该漏洞源于Fastjson AutoType REST API组件中函数Fastjson.parseObject的操作，可能导致反序列化。攻击者可远程发起攻击。

CVSS 6.3 · Medium EPSS 0.34% · P27

Affected Version Matrix 2

VendorProduct Version RangeStatus
changmingxie tcc-transaction 2.0 affected
2.1.0 affected
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I. Basic Information for CVE-2026-9497

Vulnerability Information
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Vulnerability Title
changmingxie tcc-transaction Fastjson AutoType REST API Fastjson.parseObject deserialization
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw has been found in changmingxie tcc-transaction up to 2.1.0. This issue affects the function Fastjson.parseObject of the component Fastjson AutoType REST API. This manipulation causes deserialization. It is possible to initiate the attack remotely. The vendor was contacted early about this disclosure but did not respond in any way.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
可信数据的反序列化
Source: CVE Program / CVE List V5
Vulnerability Title
TCC-TRANSACTION 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
TCC-TRANSACTION是changmingxie个人开发者的一款分布式事务解决方案。 TCC-TRANSACTION 2.1.0及之前版本存在代码问题漏洞，该漏洞源于Fastjson AutoType REST API组件中函数Fastjson.parseObject的操作，可能导致反序列化。攻击者可远程发起攻击。
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
changmingxie tcc-transaction 2.0 cpe:2.3:a:changmingxie:tcc-transaction:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-9497

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III. Intelligence Information for CVE-2026-9497

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Security Blog Posts for CVE-2026-9497 (1)

IV. Related Vulnerabilities

Same weakness: CWE-502

V. Comments for CVE-2026-9497

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