Vulnerability Details CVE-2026-93764
Mongoid may omit encryption rules for fields declared on embedded models when generating the client-side field-level encryption schema. Applications that enable this feature can therefore store values intended to be encrypted in readable form, with no error or warning. A party with routine read access to the database, a backup, or the underlying data files may then see data that was meant to remain unreadable outside the application.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.002
EPSS Ranking 3.4%
CVSS Severity
CVSS v3 Score 6.5
References
Products affected by CVE-2026-93764
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cpe:2.3:a:mongodb:mongoid:9.0.0
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cpe:2.3:a:mongodb:mongoid:9.0.1
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cpe:2.3:a:mongodb:mongoid:9.0.10
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cpe:2.3:a:mongodb:mongoid:9.0.11
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cpe:2.3:a:mongodb:mongoid:9.0.2
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cpe:2.3:a:mongodb:mongoid:9.0.3
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cpe:2.3:a:mongodb:mongoid:9.0.4
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cpe:2.3:a:mongodb:mongoid:9.0.5
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cpe:2.3:a:mongodb:mongoid:9.0.6
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cpe:2.3:a:mongodb:mongoid:9.0.7
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cpe:2.3:a:mongodb:mongoid:9.0.8
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cpe:2.3:a:mongodb:mongoid:9.0.9
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cpe:2.3:a:mongodb:mongoid:9.1.0