CVE-2026-19213 WonderTrader Pending Order TraderAdapter.h _undone_qty behavioral workflow
Attackers can manipulate pending order quantities in WonderTrader, bypassing intended trading workflow enforcement.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-19213?
CVE-2026-19213 is a medium-severity vulnerability in WonderTrader, published on 7 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.
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.
Which versions are affected by CVE-2026-19213?
How do I fix CVE-2026-19213?
No fix has been published for CVE-2026-19213 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-19213 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-19213 exists.
Sources
Also known as GHSA-22gg-289x-58qq.