changmingxie tcc-transaction up to 2.1.0 Fastjson AutoType REST API Fastjson.parseObject deserialization

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.7$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in changmingxie tcc-transaction up to 2.1.0. Impacted is the function Fastjson.parseObject of the component Fastjson AutoType REST API. Such manipulation leads to deserialization. This vulnerability is referenced as CVE-2026-9497. It is possible to launch the attack remotely. Furthermore, an exploit is available. The vendor was contacted early about this disclosure but did not respond in any way.

Detailsinfo

A vulnerability was found in changmingxie tcc-transaction up to 2.1.0. It has been rated as critical. Affected by this issue is the function Fastjson.parseObject of the component Fastjson AutoType REST API. The manipulation with an unknown input leads to a deserialization vulnerability. Using CWE to declare the problem leads to CWE-502. The product deserializes untrusted data without sufficiently verifying that the resulting data will be valid. Impacted is confidentiality, integrity, and availability.

The advisory is shared for download at github.com. This vulnerability is handled as CVE-2026-9497. The exploitation is known to be easy. The attack may be launched remotely. Technical details as well as a exploit are known. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 05/26/2026).

It is declared as proof-of-concept. The vendor was contacted early about this disclosure but did not respond in any way.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-31730). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 5.7

VulDB Base Score: 6.3
VulDB Temp Score: 5.7
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Deserialization
CWE: CWE-502 / CWE-20
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Proof-of-Concept

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

05/25/2026 Advisory disclosed
05/25/2026 +0 days VulDB entry created
05/26/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: github.com
Status: Not defined

CVE: CVE-2026-9497 (🔒)
GCVE (CVE): GCVE-0-2026-9497
GCVE (VulDB): GCVE-100-365480
EUVD: 🔒
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 05/25/2026 11:42
Updated: 05/26/2026 00:12
Changes: 05/25/2026 11:42 (54), 05/26/2026 00:12 (1)
Complete: 🔍
Submitter: Ku4D3
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #814092: changmingxie tcc-transaction <=2.1.0 Deserialization (by Ku4D3)

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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