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CVE-2026-81529

HIGH CVSS: 7.1 Published: 2026-08-27 Modified: 2026-08-28

Description

Improper neutralization of delimiters in connection-URL construction allows connection-option injection in the MongoDB C# Driver. When an application passes untrusted text into the driver's connection-URL builder and round-trips the builder back into a client configuration, the untrusted text is serialized without neutralizing the URL/option delimiters and is then re-parsed as authoritative connection options. A low-privileged user of such an application can thereby introduce or suppress security-relevant connection settings.

Affected Platforms

Unknown

Weakness Type

CWE-88

References