Quick answers
- Is CVE-2026-108690 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-108690 being exploited in the wild.
- How severe is CVE-2026-108690?
- Medium severity, with a CVSS score of 4.3, published 11 October 2026.
- Which products and versions are affected?
- Gz-Yami Mall4j through 4.0.
- Is there a fix for CVE-2026-108690?
- 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-2026-108690 attacked?
- It is attacked over the network, in a web application.
- Am I affected by CVE-2026-108690?
- Check whether you run Gz-Yami Mall4j 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 BasketMapper.xml SQL query for the GET /p/shopCart/expiryProdList endpoint, where an OR operator precedence error causes the user_id filter to apply only to the second condition, leaking all basket rows where products or SKUs are off-shelf regardless of user ownership. Any authenticated customer can request this endpoint without elevated privileges to retrieve other users' cart data.
Affected products
- gz-yami mall4j through 4.0
Timeline
- 2026-10-11: disclosed