CVE-2026-105844: @payloadcms Plugin-Import-Export

Critical severity, CVSS 9.3. EPSS: 0.5% chance of exploitation in the next 30 days.

Payload is a free and open source headless content management system. In versions from 3.0.0 before 3.88.0 and canary versions before 4.0.0-canary.27, an unauthenticated user can submit prototype-sensitive field paths when @payloadcms/plugin-import-export is enabled, causing unintended application behavior that can lead to remote code execution. This issue is fixed in versions 3.88.0 and 4.0.0-canary.27.

Affected products

• @payloadcms Plugin-Import-Export: from 3.0.0, before 3.88.0 (fixed in 3.88.0); from 4.0.0-canary.0, before 4.0.0-canary.27 (fixed in 4.0.0-canary.27)
• Payloadcms Payload: from 3.0.0, before 3.88.0 (fixed in 3.88.0); from 4.0.0-canary.0, before 4.0.0-canary.27 (fixed in 4.0.0-canary.27)

Published 2026-10-06. Last modified 2026-10-09.