GHSA-r488-j9vj-wx3q: Code Injection

Published Oct 7, 2026
·
Updated

Impact

A vulnerability in @payloadcms/plugin-form-builder in versions < 3.90.0 allow submissions which could be crafted to execute remote code on the server.

You are affected if:

- You are using @payloadcms/plugin-form-builder

Patches

Users should upgrade Payload packages to >= 3.90.0 or >= 4.0.0-canary.34.

Affected Software

2 affected componentsFixes available
npm/@payloadcms/plugin-form-builder>=4.0.0-canary.0<4.0.0-canary.34
4.0.0-canary.34
npm/@payloadcms/plugin-form-builder<3.90.0
3.90.0

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade npm/@payloadcms/plugin-form-builder to a version that resolves this vulnerability.

    Fixed in 4.0.0-canary.34
  2. Upgrade

    Upgrade npm/@payloadcms/plugin-form-builder to a version that resolves this vulnerability.

    Fixed in 3.90.0
  3. Upgrade

    Upgrade @payloadcms/plugin-form-builder to a version that resolves this vulnerability.

    Fixed in 3.90.0
  4. Upgrade

    Upgrade @payloadcms/plugin-form-builder to a version that resolves this vulnerability.

    Fixed in 4.0.0-canary.34

Event History

Oct 7, 2026
Advisory Published
via GitHub·08:28 PM
Data Sourced
via GitHub·08:28 PM
DescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

1

Which deployments are affected?

Any deployment using @payloadcms/plugin-form-builder is affected if it is running a version earlier than 3.90.0. The advisory identifies upgrades to Payload packages at version 3.90.0 or later, or 4.0.0-canary.34 or later, as patched.

2

Does exploitation require an authenticated user or user interaction?

No. The provided vector indicates network-accessible exploitation with low attack complexity, no privileges required, and no user interaction required. Crafted form submissions can be used to execute code on the server.

3

What should be done to remediate the issue?

Upgrade the Payload packages to version 3.90.0 or later. For the canary release line, upgrade to 4.0.0-canary.34 or later.

Contact

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