CVE-2026-19037
WonderTrader Internal Limit Order Book Cache MatchEngine.cpp update_lob behavioral workflow
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.
INFO
Published Date :
Aug. 6, 2026, 1:17 p.m.
Last Modified :
Aug. 6, 2026, 3:16 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
Affected Products
The following products are affected by CVE-2026-19037
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | |||||
| CVSS 2.0 | MEDIUM | [email protected] | ||||
| CVSS 3.1 | MEDIUM | [email protected] | ||||
| CVSS 4.0 | LOW | [email protected] |
Solution
- Monitor for vendor updates or patches.
- Consider alternative software if no fix is provided.
- Implement strict input validation.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-19037.
| URL | Resource |
|---|---|
| https://my.feishu.cn/wiki/BXljwvHSLiiqiSkI7jScIqkSn4c | |
| https://vuldb.com/cve/CVE-2026-19037 | |
| https://vuldb.com/submit/863755 | |
| https://vuldb.com/vuln/386456 | |
| https://vuldb.com/vuln/386456/cti |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-19037 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-19037
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-19037 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-19037 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Aug. 06, 2026
Action Type Old Value New Value Added SSVC {'id': 'CVE-2026-19037', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'poc'}, {'automatable': 'no'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2026-08-06T13:50:32.876278Z'} -
New CVE Received by [email protected]
Aug. 06, 2026
Action Type Old Value New Value Added Affected [{'cpes': ['cpe:2.3:a:wondertrader:wondertrader:*:*:*:*:*:*:*:*'], 'vendor': 'n/a', 'modules': ['Internal Limit Order Book Cache Handler'], 'product': 'WonderTrader', 'versions': [{'status': 'affected', 'version': '0.9.0'}, {'status': 'affected', 'version': '0.9.1'}, {'status': 'affected', 'version': '0.9.2'}, {'status': 'affected', 'version': '0.9.3'}, {'status': 'affected', 'version': '0.9.4'}, {'status': 'affected', 'version': '0.9.5'}, {'status': 'affected', 'version': '0.9.6'}, {'status': 'affected', 'version': '0.9.7'}, {'status': 'affected', 'version': '0.9.8'}, {'status': 'affected', 'version': '0.9.9'}]}] Added 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. Added CVSS V4.0 AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Added CVSS V3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N Added CVSS V2 (AV:N/AC:L/Au:S/C:N/I:P/A:N) Added CWE CWE-841 Added CWE CWE-840 Added Reference https://my.feishu.cn/wiki/BXljwvHSLiiqiSkI7jScIqkSn4c Added Reference https://vuldb.com/cve/CVE-2026-19037 Added Reference https://vuldb.com/submit/863755 Added Reference https://vuldb.com/vuln/386456 Added Reference https://vuldb.com/vuln/386456/cti