CVE-2026-47198 Paymenter CVE debrief

Who should care

Users of Paymenter versions prior to 1.5.1 should be aware of this vulnerability and take steps to mitigate it. This includes administrators and security teams responsible for managing and securing webshop solutions. The vulnerability can lead to unauthorized overrides of core resource limits, such as CPU, RAM, storage, or package tiers.

Technical summary

The checkout component of Paymenter improperly filters URL-writable properties, allowing authenticated users to inject arbitrary key-value pairs into server provisioning parameters. Because bundled server extensions prioritize these user-supplied properties over administrator-defined configurations, a regular user can override hosting plans and resource limits at checkout without special privileges.

Defensive priority

High

Recommended defensive actions

• Upgrade to Paymenter version 1.5.1 or later
• Review and restrict user input to prevent arbitrary key-value pair injection
• Monitor server provisioning parameters for unauthorized changes
• Review compensating controls for exposed systems while remediation is scheduled and verified
• Check relevant monitoring, detection, and logs for exposed assets that need extra review
• Track exceptions, retest remediated assets, and close the item only after evidence is documented
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up

Evidence notes

The CVE record was published on 2026-07-20T21:16:48.043Z and was last modified on 2026-07-22T15:17:16.830Z. The NVD entry is currently Received. There is limited information available about the vulnerability, and defenders should verify the affected scope and severity with the vendor. The checkout component improperly filters URL-writable properties, allowing authenticated users to inject arbitrary key-value pairs into server provisioning parameters.

Official resources