CVE-2026-105844
Critical
Description
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.
SeverityCritical
CVSS9.3
Exploit probability—
Product@payloadcms/plugin-import-export
PublishedOct 6, 2026
First seenOct 6, 2026
Weakness typeCWE-1321Prototype pollution
How to fix
Update
- @payloadcms/plugin-import-export3.88.0, 4.0.0-canary.27 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| @payloadcms/plugin-import-exportnpm | 3.0.0 ≤ v < 3.88.0, 4.0.0-canary.0 ≤ v < 4.0.0-canary.27 | 3.88.0, 4.0.0-canary.27 |
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