CVE-2026-111607

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.

CVSS 4.0

7.1CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:L/SC:N/SI:N/SA:N

CVSS 3.1

7.1CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L

EPSS

0.2% chance of exploitation in the next 30 days; higher than 16% of CVEs (scores of 2026-10-25)

CWE

CWE-639

Published

2026-10-16

Modified

2026-10-16

Record from

the NVD, synced 2026-10-19

References

• https://github.com/jeequan/jeepay/blob/V3.2.9/jeepay-merchant/src/main/java/com/jeequan/jeepay/mch/ctrl/merchant/MchPayInterfaceConfigController.java#L146-L186
• https://hackmd.io/@hieuPenguinnn/jeepay-mch-payconfig-write-and-division-receiver-delete-cross-merchant-authz
• https://www.vulncheck.com/advisories/jeepay-through-3.2.9-idor-via-post-api-mch-payconfigs
• https://hackmd.io/@hieuPenguinnn/jeepay-mch-payconfig-write-and-division-receiver-delete-cross-merchant-authz

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