What’s Vulnerable › Vulnerabilities

CVE-2026-19213: WonderTrader Pending Order TraderAdapter.h _undone_qty behavioral workflow

• Severity: medium (CVSS 4.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-08-07 · updated 2026-08-12
• Weakness: CWE-840

Description

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.

Affected products

• WonderTrader: 0.9.0, 0.9.1, 0.9.2, 0.9.3, 0.9.4, 0.9.5 (+4)

References

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

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