Quick answers
- Is CVE-2026-109406 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-109406 being exploited in the wild.
- How severe is CVE-2026-109406?
- Medium severity, with a CVSS score of 5.4, published 13 October 2026.
- Which products and versions are affected?
- Macrozheng Mall up to 1.0.3.
- Is there a fix for CVE-2026-109406?
- No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
- How is CVE-2026-109406 attacked?
- It is attacked over the network, in a web application.
- Am I affected by CVE-2026-109406?
- Check whether you run Macrozheng Mall at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
Technical details
The vulnerability exists in the OmsPortalOrderServiceImpl function of the mall-portal component's /order/generateOrder endpoint. Manipulation of the coupon_amount and pay_amount parameters causes business logic errors, allowing remote exploitation without authentication requirements. An attacker can alter transaction amounts to execute unauthorized financial transactions.
Affected products
- macrozheng mall up to 1.0.3
Timeline
- 2026-10-13: disclosed