CVE-2026-19037
Received Received - Intake

WonderTrader Internal Limit Order Book Cache Handler Workflow Bypass

Vulnerability report for CVE-2026-19037, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-08-06

Last updated on: 2026-08-06

Assigner: VulDB

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.

CVSS Scores

EPSS Scores

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Meta Information

Published
2026-08-06
Last Modified
2026-08-06
Generated
2026-08-06
AI Q&A
2026-08-06
EPSS Evaluated
N/A
NVD
EUVD

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
wondertrader wondertrader to 0.9.9 (inc)

Helpful Resources

Exploitability

CWE
CWE Icon
KEV
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CWE ID Description
CWE-840 Business Logic Errors
CWE-841 The product supports a session in which more than one behavior must be performed by an actor, but it does not properly ensure that the actor performs the behaviors in the required sequence.

Attack-Flow Graph

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Mitigation Strategies

Immediately upgrade WonderTrader to a version beyond 0.9.9 if available. If no patch exists, isolate the affected component MatchEngine::update_lob in src/WtBtCore/MatchEngine.cpp. Monitor network traffic for unusual behavior related to Internal Limit Order Book Cache Handler.

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EPSS Chart