by Kastro
Paper/Archive/CVE-2026-105857

CVE-2026-105857

payloadcms payload — Payload: RCE in Payload Form Builder

EPSS 0.4%CVSS 10.0
critical.is priorityof 100
37
CVSS 10.0 (CNA)10.0 / 10 × 3030.0Not in CISA KEV+300.0EPSS percentile 37.1.371 × 207.4No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource
payload< 3.90.0–CNA
payload>= 4.0.0-canary.0, < 4.0.0-canary.34–CNA

Scores by source

GitHub_M (CNA)10.0CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total

References

refgithub.com/payloadcms/payload/security/advisories/GHSA-r488-j9vj-wx3qrefgithub.com/payloadcms/payload/commit/333b82b9f3e685fed6826c2e3270da79df8336c6refgithub.com/payloadcms/payload/releases/tag/v3.90.0