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MongoDB C Driver Cyrus SASL Canonicalization Buffer Overflow

🗓️ 06 May 2026 15:08:23Reported by MongoDBType 
mongodb
 mongodb
🔗 www.mongodb.com👁 6 Views

The MongoDB C Driver SASL can overflow from untrusted username in a URI with authMechanism=GSSAPI.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-6691
6 May 202615:08
attackerkb
Circl
CVE-2026-6691
6 May 202617:01
circl
CNNVD
MongoDB C Driver 安全漏洞
6 May 202600:00
cnnvd
CVE
CVE-2026-6691
6 May 202615:08
cve
Cvelist
CVE-2026-6691 MongoDB C Driver Cyrus SASL Canonicalization Buffer Overflow
6 May 202615:08
cvelist
Debian CVE
CVE-2026-6691
6 May 202615:08
debiancve
EUVD
EUVD-2026-27838
6 May 202618:30
euvd
NVD
CVE-2026-6691
6 May 202616:16
nvd
OSV
DEBIAN-CVE-2026-6691
6 May 202616:16
osv
OSV
UBUNTU-CVE-2026-6691
6 May 202616:16
osv
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Vulners
Node
mongodbc_driverRange2.1.02.1.2

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07 May 2026 03:55Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.17.8
CVSS 48.6
EPSS0.00126
SSVC
6