CVE-2026-105857: critical vulnerability in payloadcms payload
Payload: RCE in Payload Form Builder
Published
28Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 10epss 0.4%
exploitation probability
0.4%top 64% of all CVEs
observed exploitation
nono source reports it
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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Affected products
payloadcms · payloadRelated CVEs — payloadcms payload
In the same product, most dangerous first.
CVE-2026-25544CRITICALPayload has an SQL Injection in JSON/RichText Queries on PostgreSQL/SQLite AdaptersEPSS 1.0%CVE-2023-30843HIGHPayload's hidden fields can be leaked on readable collectionsEPSS 0.6%CVE-2026-105844CRITICALPayload: Prototype pollution in Payload Import Export pluginEPSS 0.5%CVE-2026-105858HIGHPayload: Remote Code Execution through first-registerEPSS 0.5%CVE-2026-34751CRITICALPayload has Unvalidated Input in Password Recovery EndpointsEPSS 0.4%CVE-2026-27567MEDIUMPayload has Server-Side Request Forgery (SSRF) in External File URL UploadsEPSS 0.4%