CVE-2026-105857CWE-1321CWE-94code-injection

CVE-2026-105857

Critical · published October 6, 2026

CVSS v3.1
10.0
EPSS
0%
Percentile
36.7
In the wild
Unconfirmed
What it is

Payload is a free and open source headless content management system. In @payloadcms/plugin-form-builder versions before 3.90.0 and canary versions before 4.0.0-canary.34, an attacker can craft a form submission that executes code remotely on the server. This issue is fixed in versions 3.90.0 and 4.0.0-canary.34.

The record
Technical detail
CVSS v3.1
10.0 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00434 · 36.7th percentile
Weaknesses
CWE-1321 · Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution'); CWE-94 · Improper Control of Generation of Code ('Code Injection')
Published
2026-10-06T21:17Z
Affected products (35)
ProductVersionsFixed in
payloadcms/payload< 3.90.03.90.0
payloadcms/payloadall versions—
payloadcms/payloadall versions—
payloadcms/payloadall versions—
payloadcms/payloadall versions—
payloadcms/payloadall versions—
payloadcms/payloadall versions—
payloadcms/payloadall versions—
payloadcms/payloadall versions—
payloadcms/payloadall versions—
payloadcms/payloadall versions—
payloadcms/payloadall versions—
payloadcms/payloadall versions—
payloadcms/payloadall versions—
payloadcms/payloadall versions—
payloadcms/payloadall versions—
payloadcms/payloadall versions—
payloadcms/payloadall versions—
payloadcms/payloadall versions—
payloadcms/payloadall versions—
payloadcms/payloadall versions—
payloadcms/payloadall versions—
payloadcms/payloadall versions—
payloadcms/payloadall versions—
payloadcms/payloadall versions—
payloadcms/payloadall versions—
payloadcms/payloadall versions—
payloadcms/payloadall versions—
payloadcms/payloadall versions—
payloadcms/payloadall versions—
payloadcms/payloadall versions—
payloadcms/payloadall versions—
payloadcms/payloadall versions—
payloadcms/payloadall versions—
payloadcms/payloadall versions—
References (3)
https://github.com/payloadcms/payload/commit/333b82b9f3e685fed6826c2e3270da79df8336c6 · [email protected]https://github.com/payloadcms/payload/releases/tag/v3.90.0 · [email protected]https://github.com/payloadcms/payload/security/advisories/GHSA-r488-j9vj-wx3q · [email protected]
EPSS history
Timeline
  • 08 OCT 03:27Z
    EPSS moved — → 0%
    epss
  • 06 OCT 16:26Z
    Payload: RCE in Payload Form Builder
    cvelistv5