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CVE-2026-19213— WonderTrader Pending Order TraderAdapter.h _undone_qty behavioral workflow

Quick assessment

Affected
n/a WonderTrader
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.

WonderTrader是中国WonderTrader个人开发者的一个基于C++核心模块的，适应全市场全品种交易的，高效率、高可用的量化交易开发框架。 WonderTrader 0.9.9及之前版本存在处理逻辑错误漏洞，该漏洞源于Pending Order Handler组件中_undone_qty函数对getUndoneQty参数操作不当，可能导致行为工作流被强制执行，攻击者可远程利用。

CVSS 4.3 · Medium EPSS 0.37% · P28

Affected Version Matrix 10

VendorProduct Version RangeStatus
n/a WonderTrader 0.9.0 affected
0.9.1 affected
0.9.2 affected
0.9.3 affected
0.9.4 affected
0.9.5 affected
0.9.6 affected
0.9.7 affected
… +2 more rows
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I. Basic Information for CVE-2026-19213

Vulnerability Information
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Vulnerability Title
WonderTrader Pending Order TraderAdapter.h _undone_qty behavioral workflow
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was identified in WonderTrader up to 0.9.9. Affected is the function _undone_qty in the library src/WtCore/TraderAdapter.h of the component Pending Order Handler. The manipulation of the argument getUndoneQty leads to enforcement of behavioral workflow. The attack is possible to be carried out remotely. The exploit is publicly available and might be used. 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:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
行为工作流的不恰当实施
Source: CVE Program / CVE List V5
Vulnerability Title
WonderTrader 处理逻辑错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WonderTrader是中国WonderTrader个人开发者的一个基于C++核心模块的，适应全市场全品种交易的，高效率、高可用的量化交易开发框架。 WonderTrader 0.9.9及之前版本存在处理逻辑错误漏洞，该漏洞源于Pending Order Handler组件中_undone_qty函数对getUndoneQty参数操作不当，可能导致行为工作流被强制执行，攻击者可远程利用。
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
- WonderTrader 0.9.0 cpe:2.3:a:wondertrader:wondertrader:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-19213

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III. Intelligence Information for CVE-2026-19213

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News Coverage for CVE-2026-19213 (2)

Other References for CVE-2026-19213 (2)

Same Patch Batch · n/a · 2026-08-07 · 5 CVEs total

CVE-2026-37171 5.9 MEDIUM SuperTokens 安全漏洞
CVE-2026-19212 4.3 MEDIUM WonderTrader TraderATP Cash Trade Conversion WTSTradeDef.hpp uninitialized variable
CVE-2026-19208 3.7 LOW WonderTrader TraderDD.cpp queryTrades behavioral workflow
CVE-2025-63235 Andrea Baldan Sol 安全漏洞

IV. Related Vulnerabilities

Same product: WonderTrader
Same vendor: n/a
Same weakness: CWE-841

V. Comments for CVE-2026-19213

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