mall4j through 4.0 Unauthenticated Shipment Tracking Disclosure via Order Number

Advisories

mall4j through 4.0 Unauthenticated Shipment Tracking Disclosure via Order Number

severity: medium
date: 9/28/2026
Affecting: mall4j <= 4.0
CVE: CVE-2026-102363
CWE: CWE-306 Missing Authentication for Critical Function
CVSS: 6.3
CVSS V4 Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
References: https://github.com/LinYuanyi1/cve-request-poc/blob/114b3f0d149e50a7678f591bf8043399fc9ac96c/mall4j/A08_delivery_check_anonymous.py
https://github.com/gz-yami/mall4j
https://github.com/gz-yami/mall4j/blob/ffc672fc1aa4320ce02d0b93853bb456ae0a4dae/yami-shop-api/src/main/java/com/yami/shop/api/controller/DeliveryController.java#L47-L63
VulnCheck Advisory: mall4j through 4.0 Unauthenticated Shipment Tracking Disclosure via Order Number
Credit: Mingsheng Lin
Description: mall4j through 4.0 contains a missing authentication vulnerability in the DeliveryController checkDelivery endpoint that allows unauthenticated attackers to read shipment tracking information by supplying an order number parameter. Attackers can access carrier names, waybill numbers, and complete logistics trails for any order without authentication or ownership verification.

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