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.

CVSS v3 5.4 MEDIUM

5.4^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 2.5

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact LOW

Availability Impact LOW

Scope UNCHANGED

References

Link	Resource
https://github.com/AnkesKasty/cve-request-poc/blob/a7b6d1423555812d8efa26c91c5d0683164b31e5/mall4j/poc_shopcart_clean_expiry_prodlist.py
https://github.com/gz-yami/mall4j/blob/ffc672fc1aa4320ce02d0b93853bb456ae0a4dae/yami-shop-api/src/main/java/com/yami/shop/api/controller/ShopCartController.java#L188-L194
https://github.com/gz-yami/mall4j/blob/ffc672fc1aa4320ce02d0b93853bb456ae0a4dae/yami-shop-service/src/main/resources/mapper/BasketMapper.xml#L49-L62
https://www.vulncheck.com/advisories/mall4j-through-4.0-operator-precedence-error-deletes-other-users-cart-items-via-p-shopcart-cleanexpiryprodlist

Configurations

No configuration.

History

11 Oct 2026, 02:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-10-11 02:16

Updated : 2026-10-16 19:18

NVD link : CVE-2026-108691

Mitre link : CVE-2026-108691

CVE.ORG link : CVE-2026-108691

JSON object : View

Products Affected

No product.

CWE

CWE-783

Operator Precedence Logic Error

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