CVE-2026-19208 WonderTrader TraderDD.cpp queryTrades behavioral workflow
Attackers can manipulate trade query arguments to enforce unintended behavioral workflows in the WonderTrader trading library.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-19208?
CVE-2026-19208 is a medium-severity vulnerability in WonderTrader, published on 7 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A vulnerability was detected in WonderTrader up to 0.9.9. Impacted is the function TraderDD::queryTrades of the file src/TraderDD/TraderDD.cpp. The manipulation of the argument FID_JYLB results in enforcement of behavioral workflow. The attack can be launched remotely. A high complexity level is associated with this attack. The exploitability is considered difficult. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Which versions are affected by CVE-2026-19208?
How do I fix CVE-2026-19208?
No fix has been published for CVE-2026-19208 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-19208 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-19208 exists.
Sources
Also known as GHSA-q68v-x5p2-qf6h.