Payload Form Builder has an RCE issue

## 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`. Source Code Location: https://github.com/payloadcms/payload Affected Packages: - npm:@payloadcms/plugin-form-builder, affected < 3.90.0, patched in 3.90.0 - npm:@payloadcms/plugin-form-builder, affected >= 4.0.0-canary.0, < 4.0.0-canary.34, patched in 4.0.0-canary.34 CWEs: - CWE-94: Improper Control of Generation of Code ('Code Injection') - CWE-1321: Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution') CVSS: - Primary: score 10.0, CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H - CVSS_V3: score 10.0, CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H References: - https://github.com/payloadcms/payload/security/advisories/GHSA-r488-j9vj-wx3q - https://nvd.nist.gov/vuln/detail/CVE-2026-105857 - https://github.com/payloadcms/payload/commit/333b82b9f3e685fed6826c2e3270da79df8336c6 - https://github.com/payloadcms/payload/releases/tag/v3.90.0 - https://github.com/advisories/GHSA-r488-j9vj-wx3q