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GHSA-4ww4-68q3-h7g5

Payload: Field-level write access bypass in Payload on MongoDB

Source: GitHub Advisory Database (reviewed) High CVE-2026-106100

Packages

EcosystemPackageAffectedFixed in
npm @payloadcms/db-mongodb < 3.87.0 3.87.0
npm @payloadcms/db-mongodb >= 4.0.0-canary.0, < 4.0.0-canary.20 4.0.0-canary.20

Details

As written in the advisory (Markdown source, shown as plain text).

### Impact A vulnerability in field-level access control could allow an authenticated user to modify fields they are not permitted to change on documents they can otherwise update. You are affected if: Payload version < `3.87.0` (or a `4.0.0-canary` release before `4.0.0-canary.20`) using the MongoDB adapter (`@payloadcms/db-mongodb`) with any collection that relies on field-level access control to restrict writes under certain conditions. Relational adapters (Postgres, SQLite) are not affected. ### Patches Handling of incoming field data has been hardened so field-level access control is enforced consistently. Users should upgrade to `3.87.0` (or `4.0.0-canary.20` on the `4.x` line) or later. ### Workarounds There is no complete workaround. Upgrading to `3.87.0` (or `4.0.0-canary.20` on the `4.x` line) is recommended.

References

External links from the advisory. They lead to third-party sites.