CVE-2026-19037
WonderTrader Internal Limit Order Book Cache MatchEngine.cpp update_lob behavioral workflow
- State
- Published
- Severity
- 5.3 Medium
- Published
- Aug 6, 2026
- Updated
- Aug 6, 2026
- Reserved
- Aug 6, 2026
Description
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 5.3 Medium | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P | VulDB |
| 3.1 | 4.3 Medium | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R | VulDB |
| 3.0 | 4.3 Medium | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R | VulDB |
| 2.0 | 4.0 Medium | AV:N/AC:L/Au:S/C:N/I:P/A:N/E:POC/RL:ND/RC:UR | VulDB |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
WonderTradern/a |
|
References
- VDB-386456 | WonderTrader Internal Limit Order Book Cache MatchEngine.cpp update_lob behavioral workflowvdb-entrytechnical-description
- VDB-386456 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
- CVE-2026-19037 | CVE Analysis and Reportthird-party-advisory
- Submit #863755 | GitHub wondertrader 0.9.9 Incorrect Control Flowthird-party-advisory
- https://my.feishu.cn/wiki/BXljwvHSLiiqiSkI7jScIqkSn4cexploit
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