CVE-2026-120567
Published on November 3, 2026

ExecuteUpdate may evaluate caller-supplied values as MongoDB expressions
The MongoDB Entity Framework Core provider does not neutralize special elements when it places a caller-supplied value into a bulk update that is expressed as a databasea result, a value supplied as plain data may be interpreted by the database as expression syntax. A part value through normal application input may causeunintended modification of fields in the records the application is updating, and may cause data already held in those records to be relocated into other fields of the same record.

NVD

Vulnerability Analysis

CVE-2026-120567 can be exploited with network access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity and availability.

Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
LOW
User Interaction:
NONE

Weakness Type

Improper Neutralization of Special Elements in Data Query Logic

The application generates a query intended to access or manipulate data in a data store such as a database, but it does not neutralize or incorrectly neutralizes special elements that can modify the intended logic of the query.


Affected Versions

MongoDB Entity Framework Core Provider: