CVE-2026-19213
MediumCVSS 4.3Exploitation Probability (EPSS)
Low risk12th percentile - higher than 12% of all known CVEs
Summary
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.
Risk Assessment
The organization may be exposed to remote compromise of order handling workflow integrity, potentially leading to unauthorized actions or disruptions.
Recommendation
It is recommended to immediately update WonderTrader to the latest available version if any, and monitor public exploits. Also restrict access to the system to trusted users only.
Other vulnerabilities in WonderTrader
See all- 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.
- 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 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.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS