All vulnerabilities
CVE-2026-105857GHSA-r488-j9vj-wx3q

@payloadcms/plugin-form-builder: Payload Form Builder has an RCE issue

payloadcms @payloadcms/plugin-form-buildernpmLibraries & packages
Open in ThreatlineRecord JSON
CVSS
10.0Critical
ExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)0.43%Chance of exploitation activity in the next 30 days, higher than 36% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed in3.90.0Also 4.0.0-canary.34GitHub
Published6 Oct 2026Updated 7 Oct 2026CVE List

What fixes it

  • 3.90.0@payloadcms/plugin-form-builder, npmGitHubnpm install @payloadcms/plugin-form-builder@3.90.0
  • 4.0.0-canary.34@payloadcms/plugin-form-builder, npmGitHubnpm install @payloadcms/plugin-form-builder@4.0.0-canary.34

A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.

Description

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.

Text from GitHub Advisory Database

Affected versions 6

  • @payloadcms/plugin-form-builder, npm< 3.90.0GitHub
  • @payloadcms/plugin-form-builder, npm>= 4.0.0-canary.0, < 4.0.0-canary.34GitHub
  • payloadaffected: < 3.90.0CVE List
  • payloadaffected: >= 4.0.0-canary.0, < 4.0.0-canary.34CVE List
  • @payloadcms/plugin-form-builder, npmfrom first release, fixed in 3.90.0OSV
  • @payloadcms/plugin-form-builder, npmfrom 4.0.0-canary.0, fixed in 4.0.0-canary.34OSV

References 5