fuintCatering through commit 122c9e6 IDOR via /clientApi/refund/detail

Advisories

fuintCatering through commit 122c9e6 IDOR via /clientApi/refund/detail

severity: high
date: 10/13/2026
Affecting: fuintCatering <= 122c9e61a1bc7d947428b7c4f8be4faa76f38e11
CVE: CVE-2026-110129
CWE: CWE-639 Authorization Bypass Through User-Controlled Key
CVSS: 7.1
CVSS V4 Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
References: https://hackmd.io/@1ExmmukzRMWN7B4gQ4W-4Q/fuintcatering-client-refund-detail-idor
https://github.com/fushengqian/fuintCatering/blob/122c9e61a1bc7d947428b7c4f8be4faa76f38e11/fuintBackend/fuint-application/src/main/java/com/fuint/module/clientApi/controller/ClientRefundController.java#L123-L133
https://github.com/fushengqian/fuintCatering/blob/122c9e61a1bc7d947428b7c4f8be4faa76f38e11/fuintBackend/fuint-application/src/main/java/com/fuint/common/service/impl/RefundServiceImpl.java#L330-L353
Credit: hieuPenguinnn
Description: fuintCatering through commit 122c9e6 contains an insecure direct object reference vulnerability in the ClientRefundController refund detail endpoint that lets authenticated members read other members' refund records. Attackers can register freely and enumerate sequential refundId values to obtain buyers' names, national ID numbers, addresses, WeChat openIds, and order details.

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