Vulnerability · Published Oct 16, 2026 · Assigned by VulnCheck

CVE-2026-111615Mall4cloud through 4.0 IDOR Exposing Buyer Addresses via order_addr Endpoint

Medium 6.5

In plain English

A medium-severity authorization bypass via user-controlled key in mall4cloud from gz-yami. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 33% of all known vulnerabilities).

Severity (CVSS 3.1)6.5Medium

Exploit odds (30 days)0.4%top 67.1% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

Mall4cloud through 4.0 contains an insecure direct object reference vulnerability that allows authenticated merchants to read other shops' buyer shipping addresses via the multishop OrderController getOrderAddr handler. Attackers can enumerate auto-increment orderAddrId values in GET /m/order/order_addr/{orderAddrId} requests to obtain consignee names, mobile numbers, addresses and post codes platform-wide.

Affected products (as reported)

Vendor	Product	Versions
gz-yami	mall4cloud	0 – through 4.0

Weakness: CWE-639 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

References

https://hackmd.io/@hieuPenguinnn/mall4cloud-multishop-order-addr-cross-shop-idor third-party-advisory
https://github.com/gz-yami/mall4cloud/blob/v4.0/mall4cloud-order/src/main/java/com/mall4j/cloud/order/controller/multishop/OrderController.java#L75-L80 technical-description
https://github.com/gz-yami/mall4cloud/blob/v4.0/mall4cloud-order/src/main/resources/mapper/OrderAddrMapper.xml#L27-L29 technical-description
VulnCheck Advisory: Mall4cloud through 4.0 IDOR Exposing Buyer Addresses via order_addr Endpoint third-party-advisory