Fastjson Deserialization Flaw in TCC-Transaction

Publication date: 2026-05-25

Last updated on: 2026-05-25

Assigner: VulDB

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.

CVSS Scores

EPSS Scores

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Meta Information

Published

2026-05-25

Last Modified

2026-05-25

Generated

2026-07-06

AI Q&A

2026-05-26

EPSS Evaluated

2026-07-04

NVD

CVE-2026-9497

EUVD

EUVD-2026-31730

Affected Vendors & Products

Vendor	Product	Version / Range
changmingxie	tcc-transaction	to 2.1.0 (inc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-20	The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
CWE-502	The product deserializes untrusted data without sufficiently ensuring that the resulting data will be valid.

Attack-Flow Graph

Executive Summary

This vulnerability is a flaw found in the changmingxie tcc-transaction software up to version 2.1.0. It affects the Fastjson.parseObject function of the Fastjson AutoType REST API component. The flaw allows an attacker to manipulate the deserialization process remotely, potentially leading to unintended behavior or exploitation.

Impact Analysis

The vulnerability allows remote attackers to manipulate the deserialization process, which can lead to security risks such as unauthorized code execution, data corruption, or other malicious actions depending on how the deserialization is handled within the application.

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