CVE-2026-108691 mall4j through 4.0 Operator Precedence Error Deletes Other Users' Cart Items via /p/shopCart/cleanExpiryProdList
Authenticated users can delete other customers' cart items for off-shelf products due to an operator precedence error in SQL logic.
- 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-2026-108691?
CVE-2026-108691 is a medium-severity missing authorization vulnerability in gz-yami mall4j, published on 11 Oct 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
mall4j through 4.0 contains an improper authorization vulnerability that allows authenticated storefront customers to delete other shoppers' cart items through an operator precedence error in the cleanExpiryProdList SQL statement. Attackers can send one DELETE request to /p/shopCart/cleanExpiryProdList to remove every user's cart entries for off-shelf products, which do not return when products are restocked.
Weakness: CWE-783
Which versions are affected by CVE-2026-108691?
How do I fix CVE-2026-108691?
No fix has been published for CVE-2026-108691 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-108691 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-108691 exists.
Sources
Also known as GHSA-8r5r-2mmr-2vjr.