CVE-2026-111607 Jeepay through 3.2.9 IDOR via POST /api/mch/payConfigs
Authenticated merchants can modify other merchants' payment configurations by manipulating object references, potentially redirecting payments or breaking processing.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-111607?
CVE-2026-111607 is a high-severity missing authorization vulnerability in jeequan jeepay, published on 16 Oct 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
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.
Weakness: CWE-639
Which versions are affected by CVE-2026-111607?
How do I fix CVE-2026-111607?
No fix has been published for CVE-2026-111607 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-111607 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-111607 exists.
Sources
Also known as GHSA-m4g4-x529-gqm8.