CVE-2026-108691— mall4j through 4.0 Operator Precedence Error Deletes Other Users' Cart Items via /p/shopCart/cleanExpiryProdList
Quick assessment
Affected
gz-yami mall4j
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
mall4j 版本 4.0 及之前存在一个不正确的授权漏洞，该漏洞允许已认证的门面商店顾客通过 cleanExpiryProdList SQL 语句中的运算符优先级错误，删除其他购物者的购物车商品。攻击者可以向 /p/shopCart/cleanExpiryProdList 发送一个 DELETE 请求，以删除每个用户购物车中下架商品的所有条目，这些商品在重新上架时不会恢复。
Possible ATT&CK Techniques 1 AI
T1068 · Exploitation for Privilege Escalation
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I. Basic Information for CVE-2026-108691
Vulnerability Information
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Vulnerability Title
mall4j through 4.0 Operator Precedence Error Deletes Other Users' Cart Items via /p/shopCart/cleanExpiryProdList
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
操作符优先级逻辑错误
Source: CVE Program / CVE List V5
Affected Products
II. Public POCs for CVE-2026-108691
| # | POC Description | Source Link | Shenlong Link |
|---|
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Patches & Fixes for CVE-2026-108691 (1)
Vendor Advisories for CVE-2026-108691 (1)
Proof of Concept for CVE-2026-108691 (1)
IV. Related Vulnerabilities
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mall4j through 4.0 Improper Authentication Accepts Storefron
Same weakness: CWE-783
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V. Comments for CVE-2026-108691
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