CVE-2026-81529 - Connection-option injection via unescaped settings in the canonical MongoDB URL builder

CVE-2026-81529 - Connection-option injection via unescaped settings in the canonical MongoDB URL builder

https://cvefeed.io/rssfeed/latest.atom / Fri, 08/28/2026 - 01:28
CVE ID :CVE-2026-81529
Published : Aug. 27, 2026, 8:18 p.m. | 2 hours, 11 minutes ago
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.
Severity: 7.1 | HIGH
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