7.1

CVE-2026-81529

Connection-option injection via unescaped settings in the canonical MongoDB URL builder

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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
MongoDB ≫ C# Driver SwPlatform mongodb Version >= 2.10.0 < 3.11.1
VulnDex Vulnerability Enrichment
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EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.17% 0.07
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
MongoDb 7.1 0 0
CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:H/VI:L/VA:N/SC:H/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
MongoDb 7.1 1.8 4.7
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:N
CWE-88 Improper Neutralization of Argument Delimiters in a Command ('Argument Injection')

The product constructs a string for a command to be executed by a separate component in another control sphere, but it does not properly delimit the intended arguments, options, or switches within that command string.

https://www.nuget.org/packages/MongoDB.Driver/3.11.1
Product
https://jira.mongodb.org/browse/CSHARP-6171
Vendor Advisory