Categories
CVE-2026-105850 high CVSS 8.2

Vulnerability in @payloadcms/plugin-ecommerce (CVE-2026-105850)

Summary

Vulnerability in @payloadcms/plugin-ecommerce (CVE-2026-105850). Data can be tampered with by attackers. Mitigation: upgrade to 4.0.0-canary.34 or later.

Original description

The description as published by the source.

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.

Source: GitHub Security Advisories (Global) NVD GitHub Advisory

Auto-generated summary

Assembled by SecPulse from the source data (CVSS, CWE, affected versions) using templates — no AI involved. Check the original description and references below for exact details.

A vulnerability tracked as CVE-2026-105850 has been found in @payloadcms/plugin-ecommerce.
Data can be tampered with by attackers. CVSS score: 8.2/10.
What to do: upgrade @payloadcms/plugin-ecommerce to 4.0.0-canary.34 or later.
If unsure, ask your IT team or search "@payloadcms/plugin-ecommerce CVE-2026-105850" on the vendor's site.

CVE-2026-105850 (@payloadcms/plugin-ecommerce) — CWE-837 / CVSS v3 8.2
Attack vector: remote (network-reachable) / unauthenticated / no user interaction
Patched: 4.0.0-canary.34 — apply immediately
Workaround: Ensure Stripe order confirmations can only be processed once.
Plan: 1) Audit SBOM/dependencies, 2) Stage→prod upgrade, 3) Add WAF/proxy monitoring on affected endpoints, 4) Hunt IOCs in logs.
Refs: see the GHSA / vendor advisory / patched release linked on this page.

❓ What is the problem

A vulnerability (CWE-837) exists in @payloadcms/plugin-ecommerce.

📍 Affected scope

Check the vendor advisory for the affected versions of @payloadcms/plugin-ecommerce.

🔥 Severity

Severity: High (CVSS 8.2/10). Data can be tampered with by attackers.

🔧 How to fix

Update to 4.0.0-canary.34.

🛡️ Workaround

Workaround: Ensure Stripe order confirmations can only be processed once.

🔍 Detection

Search webserver/proxy logs for unusual request patterns matching this CVE's known IOCs. Run grep -r '@payloadcms/plugin-ecommerce' . against your dependency files (package-lock.json, requirements.txt, go.sum) to find affected services.

Response actions

Concrete steps and command examples for SOC/SRE teams to execute in order

  1. 1
    Identify exposure identify
    grep -r '@payloadcms/plugin-ecommerce' . | grep -v node_modules

    リポジトリと本番環境の依存ファイル (package-lock.json / requirements.txt / go.sum / Gemfile.lock 等) で @payloadcms/plugin-ecommerce を grep し、稼働しているサービス・バージョンを把握する。

  2. 2
    Apply temporary workaround mitigate
    Ensure Stripe order confirmations can only be processed once.

    パッチが適用されるまでの応急処置として、Ensure Stripe order confirmations can only be processed once. を実施。回避策の副作用 (機能低下) を確認した上で。

  3. 3
    Apply patch patch
    Upgrade @payloadcms/plugin-ecommerce to 4.0.0-canary.34

    ステージング環境で 4.0.0-canary.34 に上げて回帰テスト → 本番反映。回帰テストはアプリの主要ハッピーパスを含めること。

  4. 4
    Post-deployment verification verify
    Confirm patched version is live in production

    パッチ適用後、ステージングで PoC または同等の悪用パターンを再現して脆弱性が閉じたことを確認。本番ではアクセスログ・WAF でアラート再発が無いか継続監視。

Affected packages

npm @payloadcms/plugin-ecommerce
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.0.0-canary.34"}]}]

References

We use cookies for analytics and ad measurement. This setting applies to all Game co., Ltd. sites. Details