CVE-2026-19037
MediumCVSS 4.3Exploitation Probability (EPSS)
Low risk28th percentile - higher than 28% of all known CVEs
Summary
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.
Risk Assessment
The risk includes potential remote disruption of the trading system, which could lead to financial losses and operational integrity compromise.
Recommendation
Apply available patches immediately or temporarily disable the vulnerable component. Monitor public exploits and implement mitigation measures.
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-2026-19208Low
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.
Original NVD description (English source)
A weakness has been identified in WonderTrader up to 0.9.9. This vulnerability affects the function MatchEngine::update_lob of the file src/WtBtCore/MatchEngine.cpp of the component Internal Limit Order Book Cache Handler. This manipulation causes enforcement of behavioral workflow. Remote exploitation of the attack is possible. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.