A NoSQL/expression injection weakness exists in the LINQ-to-aggregation query translation layer of the MongoDB C# Driver, in both aggregation expression and query filter translation.
CVSS 4.0MEDIUM 6.9·Network·No auth·No interaction·EPSS 0.00306·Published 2026-08-27·Fixed in 3.11.1CWE-943
Under very specific circumstances (see Required configuration section below), a privileged user is able to cause arbitrary code to be executed which may cause further disruption to services.
CVSS 3.1HIGH 7.2·Network·High privileges·No interaction·EPSS 0.01379·Published 2023-02-21·Fixed in 2.19.0CWE-502
Improper neutralization of regular-expression metacharacters in the LINQ query translation component of the MongoDB C# Driver can cause a caller-supplied character sequence to alter a regular-expression predicate generat…
A weakness in the client-side encryption configuration surface of the MongoDB C# Driver causes sensitive key-management credential material supplied by the application to be reproduced verbatim in the driver's human-read…
CVSS 4.0MEDIUM 6.8·Local·Low privileges·No interaction·EPSS 0.00097·Published 2026-08-27·Fixed in 3.11.1CWE-532
Improper neutralization of special elements in data query logic in the GridFS component of the MongoDB C# Driver can cause a caller-supplied structured file identifier to be interpreted as a query condition rather than a…
A MongoDB C# driver document-replacement code path omits the element-name/shape validation that the equivalent write paths apply, so a value supplied as a replacement is forwarded to the server without neutralization of…
CVSS 4.0MEDIUM 5.3·Network·Low privileges·No interaction·EPSS 0.00279·Published 2026-08-27·Fixed in 3.11.1CWE-943
Specific versions of the MongoDB C# Driver may erroneously publish events containing authentication-related data to a command listener configured by an application.
CVSS 3.1MEDIUM 4.9·Network·High privileges·No interaction·EPSS 0.00623·Published 2021-05-13·Fixed in 2.12.2CWE-200