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Vulnerability · Published Aug 7, 2026 · Assigned by VulDB

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

Medium 4.3

In plain English

A medium-severity security flaw in WonderTrader. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 31% of all known vulnerabilities).

Severity (CVSS 3.1)4.3Medium
Exploit odds (30 days)0.4%top 69.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official 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 (as reported)

VendorProductVersions
n/a WonderTrader 0.9.00.9.10.9.20.9.30.9.40.9.50.9.60.9.7

Weakness: CWE-841, CWE-840 · Vector: 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

References