Medium 4.3Published Aug 7, 2026

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

Updated under an hour ago (2026-10-19 09:00 UTC)

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It affects n/a WonderTrader. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Exploited in the last 30 days

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.

CVSS: 4.3 MEDIUM (v3.1, CNA)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
Weakness (CWE): CWE-841, CWE-840
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulDB
NVD analysis: Deferred
Record last updated: Aug 7, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

n/a WonderTrader wondertrader: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; and 2 more ranges	CNA record

References

https://vuldb.com/vuln/386958vdb-entry, technical-description
https://vuldb.com/vuln/386958/ctisignature, permissions-required
https://vuldb.com/cve/CVE-2026-19213third-party-advisory
https://vuldb.com/submit/864900third-party-advisory
https://my.feishu.cn/wiki/VbQqwEcrJiYOd0khs0Jchw76nhd?from=from_copylinkexploit

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.