CVE-2026-19208
LowCVSS 3.7Exploitation Probability (EPSS)
Low risk20th percentile - higher than 20% of all known CVEs
Summary
A vulnerability was detected in WonderTrader up to 0.9.9 in the function TraderDD::queryTrades of src/TraderDD/TraderDD.cpp. Manipulation of the FID_JYLB argument results in enforcement of behavioral workflow. The attack can be launched remotely but is difficult to exploit. The exploit is public and the vendor did not respond.
Risk Assessment
The vulnerability may allow unauthorized changes to workflow, but due to high attack complexity the risk is limited.
Recommendation
Monitor the system for unusual activity and consider updating WonderTrader when a patch is available. Restrict access to the function.
Other vulnerabilities in WonderTrader
See all- CVE-2026-19213Medium
A vulnerability in WonderTrader up to 0.9.9 affects the _undone_qty function in src/WtCore/TraderAdapter.h of the Pending Order Handler component. Manipulation of the getUndoneQty argument leads to enforcement of behavioral workflow. The attack can be carried out remotely, and the exploit is publicly available.
- CVE-2026-19212Medium
A vulnerability was found in WonderTrader up to version 0.9.9, affecting the TraderATP Cash Trade Conversion in src/Includes/WTSTradeDef.hpp. Manipulating the m_offsetType argument leads to use of an uninitialized variable. The attack can be executed remotely, and the exploit has been publicly disclosed.
- CVE-2026-19037Medium
A weakness has been identified in WonderTrader up to 0.9.9. This vulnerability affects the function MatchEngine::update_lob in file src/WtBtCore/MatchEngine.cpp of the Internal Limit Order Book Cache Handler component. This manipulation causes enforcement of behavioral workflow. Remote exploitation is possible. The exploit has been made public and could be used for attacks. The vendor was contacted early but did not respond.
Original NVD description (English source)
A vulnerability was detected in WonderTrader up to 0.9.9. Impacted is the function TraderDD::queryTrades of the file src/TraderDD/TraderDD.cpp. The manipulation of the argument FID_JYLB results in enforcement of behavioral workflow. The attack can be launched remotely. A high complexity level is associated with this attack. The exploitability is considered difficult. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

