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CVE-2026-105850 — Vulnerability in @payloadcms/plugin-ecommerce —...

HIGH

Payload Ecommerce has an order confirmation validation issue

Published October 6, 2026Updated October 6, 2026Source: osv

Summary

## 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-ecommerce` with the Stripe payment adapter. Deployments that do not use the Stripe payment flow are not affected. ## Patches Users should upgrade Payload packages to `>= 3.90.0` or `>= 4.0.0-canary.34`. ## Workarounds Ensure Stripe order confirmations can only be processed once. This is a temporary mitigation; upgrading to a patched version is recommended.

Advisory Timeline

  • First published October 6, 2026 (6 days ago).
  • Last revised October 6, 2026 — 0 days after initial publication.

Remediation

Upgrade to the fixed version using your package manager.

npm
Update @payloadcms/plugin-ecommerce to 4.0.0-canary.34 or later
npm install @payloadcms/plugin-ecommerce@4.0.0-canary.34
npm
Update @payloadcms/plugin-ecommerce to 3.90.0 or later
npm install @payloadcms/plugin-ecommerce@3.90.0

After upgrading, run your dependency scanner again to confirm the vulnerability is resolved.

Affected Packages (2)

Affects 1 ecosystem: npm (1).

PackageEcosystemAffectedFixed In
@payloadcms/plugin-ecommerce
npm
All versions4.0.0-canary.34
@payloadcms/plugin-ecommerce
npm
All versions3.90.0

Vulnerability Classification

Common Weakness Enumeration (CWE) identifiers for this vulnerability type.

CVSS Score Breakdown

What the CVSS (Common Vulnerability Scoring System) 9.1 score means for each attack dimension.

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
—
Confidentiality
—
Integrity
—
Availability
—

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

References

Frequently Asked Questions

What is CVE-2026-105850?
Payload Ecommerce has an order confirmation validation issue This vulnerability has been assigned a severity rating of HIGH (CVSS score: 9.1/10).
How do I check if my project is affected by CVE-2026-105850?
CVE-2026-105850 affects @payloadcms/plugin-ecommerce. Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2026-105850 and 200,000+ other known vulnerabilities.

Severity & Exploitability

CVSS Score
9.1

Exploitation is straightforward and causes maximum impact. Patch immediately.

Also Known As

GHSA-8r29-2mp2-pmrw

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