CVE-2026-19213

MEDIUM 4.3

WonderTrader Pending Order TraderAdapter.h _undone_qty behavioral workflow

CVSS Score

4.3

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-841 CWE-840
Vendor	n/a
Product	wondertrader
Published	Aug 7, 2026

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CVSS v3 Breakdown

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

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

n/a / WonderTrader

0.9.0 0.9.1 0.9.2 0.9.3 0.9.4 0.9.5 0.9.6 0.9.7 0.9.8 0.9.9

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/386958 vuldb.com: https://vuldb.com/vuln/386958/cti vuldb.com: https://vuldb.com/cve/CVE-2026-19213 vuldb.com: https://vuldb.com/submit/864900 my.feishu.cn: https://my.feishu.cn/wiki/VbQqwEcrJiYOd0khs0Jchw76nhd?from=from_copylink

Credits

🔍 sannomiya (VulDB User) VulDB CNA Team