CVE-2026-106100
High
Description
Payload is a free and open source headless content management system. In @payloadcms/db-mongodb versions before 3.87.0 and canary versions before 4.0.0-canary.20, an authenticated user who can update a document can modify fields that field-level write access control does not permit that user to change. The Postgres and SQLite adapters are not affected. This issue is fixed in versions 3.87.0 and 4.0.0-canary.20.
SeverityHigh
CVSS7.1
Exploit probability—
ProductPayload
PublishedOct 6, 2026
First seenOct 6, 2026
How to fix
Update
- payloadcms payload3.87.0 or later
- @payloadcms/db-mongodb3.87.0, 4.0.0-canary.20 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| payloadcms payload | v < 3.87.0, 4.0.0 | 3.87.0 |
| @payloadcms/db-mongodbnpm | v < 3.87.0, 4.0.0-canary.0 ≤ v < 4.0.0-canary.20 | 3.87.0, 4.0.0-canary.20 |
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