Description
In the marshmallow library before 2.15.1 and 3.x before 3.0.0b9 for Python, the schema "only" option treats an empty list as implying no "only" option, which allows a request that was intended to expose no fields to instead expose all fields (if the schema is being filtered dynamically using the "only" option, and there is a user role that produces an empty value for "only").
Metrics
CVSS 3.0 5.3/10
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:NAffected software
| Vendor | Product | Versions |
|---|---|---|
| n/a | n/a | n/a |
References
- https://github.com/marshmallow-code/marshmallow/issues/772Issue Tracking, Third Party Advisory
- https://github.com/marshmallow-code/marshmallow/pull/777Third Party Advisory
- https://github.com/marshmallow-code/marshmallow/pull/782Third Party Advisory
- https://github.com/marshmallow-code/marshmallow/issues/772Issue Tracking, Third Party Advisory
- https://github.com/marshmallow-code/marshmallow/pull/777Third Party Advisory
- https://github.com/marshmallow-code/marshmallow/pull/782Third Party Advisory
Timeline
- Published
- Sep 18, 2018
- Last modified
- Jun 17, 2026
- NVD status
- Modified