Vulnerability in Gz-Yami Mall4j
CVE-2026-108691
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.
Published .
CVSS v3 metric
CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- github.com/AnkesKasty/cve-request-poc/blob/a7b6d1423555812d8efa26c91c5d0683164b… (exploit)
- github.com/gz-yami/mall4j/blob/ffc672fc1aa4320ce02d0b93853bb456ae0a4dae/yami-sh… (technical-description)
- github.com/gz-yami/mall4j/blob/ffc672fc1aa4320ce02d0b93853bb456ae0a4dae/yami-sh… (technical-description)
- www.vulncheck.com/advisories/mall4j-through-4.0-operator-precedence-error-delet… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-108691?
- CVE-2026-108691 is a medium-severity vulnerability in Gz-Yami Mall4j, classified under CWE-783. CVSS score: 5.4/10. Published 2026-10-11.
- How severe is CVE-2026-108691?
- Medium severity. CVSS v3 base score is 5.4 out of 10.