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.
Advisories
No advisories yet.
Fixes
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
References
History
Fri, 28 Aug 2026 07:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Mongodb
Mongodb c# Driver |
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| Vendors & Products |
Mongodb
Mongodb c# Driver |
Thu, 27 Aug 2026 18:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| 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. | |
| Title | Connection-option injection via unescaped settings in the canonical MongoDB URL builder | |
| Weaknesses | CWE-88 | |
| References |
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| Metrics |
cvssV3_1
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Projects
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Status: PUBLISHED
Assigner: mongodb
Published:
Updated: 2026-08-27T22:34:51.805Z
Reserved: 2026-08-26T22:14:30.340Z
Link: CVE-2026-81529
No data.
Status : Received
Published: 2026-08-27T20:18:51.480
Modified: 2026-08-28T00:18:21.383
Link: CVE-2026-81529
No data.
OpenCVE Enrichment
Updated: 2026-08-28T07:30:07Z
Weaknesses