CyberRota Analysis
This is a high severity vulnerability with a CVSS score of 7.8. It affects MongoDB.
CVE
CVE-2026-6691
Severity
HIGH
CVSS
7.8
EPSS
0.13%
MongoDB
Original NVD Description
The MongoDB C Driver's Cyrus SASL integration performs unsafe string copying during username canonicalization, enabling a heap buffer overflow before any authentication or network traffic. This may be triggered by passing untrusted input in the username of a MongoDB URI with authMechanism=GSSAPI.
Related CVEs
Other vulnerabilities affecting the same vendor(s)