---
id: CVE-2026-111607
title: >-
  Jeepay through 3.2.9 contains an insecure direct object reference
  vulnerability that allows authenticated merchant users to overwrite another
  merchant application's payment channel configuration by supplying a victim
  infoId to MchPayInte…
summary: >-
  Jeepay through 3.2.9 contains an insecure direct object reference
  vulnerability that allows authenticated merchant users to overwrite another
  merchant application's payment channel configuration by supplying a victim
  infoId to MchPayInte…
severity: high
cvss: 7.1
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L'
cwe:
  - CWE-639
vendor: jeequan
product: jeepay
affected:
  - jeepay <= 3.2.9
published: '2026-10-16'
updated: '2026-10-16'
sourceUpdated: '2026-10-16T20:17:20.483'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-111607'
references:
  - url: >-
      https://github.com/jeequan/jeepay/blob/V3.2.9/jeepay-merchant/src/main/java/com/jeequan/jeepay/mch/ctrl/merchant/MchPayInterfaceConfigController.java#L146-L186
    label: disclosure@vulncheck.com
  - url: >-
      https://hackmd.io/@hieuPenguinnn/jeepay-mch-payconfig-write-and-division-receiver-delete-cross-merchant-authz
    label: disclosure@vulncheck.com
  - url: >-
      https://www.vulncheck.com/advisories/jeepay-through-3.2.9-idor-via-post-api-mch-payconfigs
    label: disclosure@vulncheck.com
  - url: >-
      https://hackmd.io/@hieuPenguinnn/jeepay-mch-payconfig-write-and-division-receiver-delete-cross-merchant-authz
    label: 134c704f-9b21-4f2e-91b3-4a467353bcc0
tags:
  - nvd
  - cve.org
  - exploit-available
epss: 0.00249
epssPercentile: 0.16122
exploitAvailable: true
ssvc:
  exploitation: poc
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-10-16T19:25:42.602677Z'
ingestedAt: '2026-10-16T18:43:08.698Z'
---

## Overview

Jeepay through 3.2.9 contains an insecure direct object reference vulnerability that allows authenticated merchant users to overwrite another merchant application's payment channel configuration by supplying a victim infoId to MchPayInterfaceConfigController.saveOrUpdate. Attackers holding the default ENT_MCH_PAY_CONFIG_ADD permission can replace signing keys, certificates, and fee rates to break or redirect the victim merchant's payment processing.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.