Summary
Payload Ecommerce has an order confirmation validation issue
Workarounds
Ensure Stripe order confirmations can only be processed once. This is a temporary mitigation; upgrading to a patched version is recommended.
Impact
When using the Stripe payment adapter, an order confirmation could be processed more than once under certain conditions.
You are affected if:
- You use
@payloadcms/plugin-ecommercewith the Stripe payment adapter.
Deployments that do not use the Stripe payment flow are not affected.
Affected versions
Security releases
Kodem intelligence
Severity tells you how bad this could be in the worst case. It does not tell you whether you are exposed. Exploitability and impact are functions of runtime truth: whether the vulnerable code is present, reachable, and actually executes in your application. A vulnerable package can sit in your dependency tree and never run.
Kodem, an Intelligent Application Security platform, uses runtime intelligence to reveal which vulnerabilities actually execute in production, so teams prioritize the ones that genuinely matter. Kodem's runtime-powered SCA identifies whether this CVE is reachable in your applications.
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Users should upgrade Payload packages to >= 3.90.0 or >= 4.0.0-canary.34.
Frequently Asked Questions
- What is CVE-2026-105850? CVE-2026-105850 is a high-severity security vulnerability in @payloadcms/plugin-ecommerce (npm), affecting versions < 3.90.0. It is fixed in 3.90.0, 4.0.0-canary.34.
- Which versions of @payloadcms/plugin-ecommerce are affected by CVE-2026-105850? @payloadcms/plugin-ecommerce (npm) versions < 3.90.0 is affected.
- Is there a fix for CVE-2026-105850? Yes. CVE-2026-105850 is fixed in 3.90.0, 4.0.0-canary.34. Upgrade to this version or later.
- Is CVE-2026-105850 exploitable, and should I be worried? Whether CVE-2026-105850 is exploitable in your environment depends on whether the vulnerable code is present and reachable. A CVSS score is a worst-case rating; it does not account for your specific deployment, configuration, or usage patterns. Kodem, an Intelligent Application Security platform, uses runtime intelligence to show which vulnerabilities actually execute in production, so you can focus on the ones that represent real risk. Get a demo
- What actually determines whether CVE-2026-105850 is exploitable, and how bad it is? Exploitability and impact are not fixed properties of a CVE. They depend on runtime truth: whether the vulnerable code is present, reachable, and actually executes in your application. A high CVSS score on a dependency that never runs is not the same as real risk. Kodem, an Intelligent Application Security platform, uses runtime intelligence to reveal which vulnerabilities actually execute in production, so teams prioritize the ones that genuinely matter.
- How do I fix CVE-2026-105850?
- Upgrade
@payloadcms/plugin-ecommerceto 3.90.0 or later - Upgrade
@payloadcms/plugin-ecommerceto 4.0.0-canary.34 or later
- Upgrade