Arbitrary file upload in Payloadcms Payload
CVE-2026-105868
Payload is a free and open source headless content management system. In versions before 3.90.0 and canary versions before 4.0.0-canary.34, local upload configurations that accept XML files can store an XML file and stylesheet that execute JavaScript in the Payload origin when a logged-in user opens the file. This issue is fixed in versions 3.90.0 and 4.0.0-canary.34.
Vulnerability class: Unrestricted File Upload
Published · last modified .
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
- Payloadcms Payload — versions < 3.90.0, >= 4.0.0-canary.0, < 4.0.0-canary.34