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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.

PUBLISHED Reserved 2026-05-25 | Published 2026-05-25 | Updated 2026-05-26 | Assigner VulDB




MEDIUM: 5.3CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
MEDIUM: 6.3CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
MEDIUM: 6.3CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
6.5AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR

Problem types

Deserialization

Improper Input Validation

Product status

2.0
affected

2.1.0
affected

Timeline

2026-05-25:Advisory disclosed
2026-05-25:VulDB entry created
2026-05-25:VulDB entry last update

Credits

Ku4D3 (VulDB User) reporter

VulDB CNA Team coordinator

References

vuldb.com/vuln/365480 (VDB-365480 | changmingxie tcc-transaction Fastjson AutoType REST API Fastjson.parseObject deserialization) vdb-entry technical-description

vuldb.com/vuln/365480/cti (VDB-365480 | CTI Indicators (IOB, IOC, IOA)) signature permissions-required

vuldb.com/submit/814092 (Submit #814092 | changmingxie tcc-transaction <=2.1.0 Deserialization) third-party-advisory

github.com/Ku4D3/bug_story/blob/main/report_01.md related

cve.org (CVE-2026-9497)

nvd.nist.gov (CVE-2026-9497)

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