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Improper Authentication in MongoDB Intra-Cluster Connections Allows Credential Exposure

🗓️ 11 Aug 2026 18:46:02Reported by MongoDBType 
mongodb
 mongodb
🔗 www.mongodb.com👁 4 Views

Improper auth in MongoDB intra-cluster connections exposes shared internal credentials to network attackers.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2026-18691
11 Aug 202618:46
attackerkb
circl
Circl
CVE-2026-18691
13 Aug 202604:45
circl
cve
CVE
CVE-2026-18691
11 Aug 202618:46
cve
cvelist
Cvelist
CVE-2026-18691 Improper Authentication in MongoDB Intra-Cluster Connections Allows Credential Exposure
11 Aug 202618:46
cvelist
euvd
EUVD
EUVD-2026-56921
11 Aug 202618:46
euvd
nvd
NVD
CVE-2026-18691
11 Aug 202619:17
nvd
vulnrichment
Vulnrichment
CVE-2026-18691 Improper Authentication in MongoDB Intra-Cluster Connections Allows Credential Exposure
11 Aug 202618:46
vulnrichment
Vulners
Node
OR
mongodbops_manager_serverRange8.3.08.3.8
mongodbops_manager_serverRange8.08.0.29
mongodbops_manager_serverRange7.07.0.40

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11 Aug 2026 20:22Current
5.3Medium risk
Vulners AI Score5.3
CVSS 3.18.8
CVSS 49
EPSS0.00231
SSVC
4