Vulnerability Details CVE-2026-93761
An inefficient regular expression complexity issue in the in-memory query evaluation component of the Mongoid library may allow an unauthenticated party to cause excessive processing within an embedding application process. Applications that place user-supplied text into a pattern-matching query condition on an embedded association may become unresponsive.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.005
EPSS Ranking 37.1%
CVSS Severity
CVSS v3 Score 7.5
References
Products affected by CVE-2026-93761
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cpe:2.3:a:mongodb:mongoid:8.0.0
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cpe:2.3:a:mongodb:mongoid:8.0.1
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cpe:2.3:a:mongodb:mongoid:8.0.10
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cpe:2.3:a:mongodb:mongoid:8.0.11
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cpe:2.3:a:mongodb:mongoid:8.0.12
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cpe:2.3:a:mongodb:mongoid:8.0.2
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cpe:2.3:a:mongodb:mongoid:8.0.3
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cpe:2.3:a:mongodb:mongoid:8.0.4
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cpe:2.3:a:mongodb:mongoid:8.0.5
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cpe:2.3:a:mongodb:mongoid:8.0.6
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cpe:2.3:a:mongodb:mongoid:8.0.7
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cpe:2.3:a:mongodb:mongoid:8.0.8
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cpe:2.3:a:mongodb:mongoid:8.0.9
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cpe:2.3:a:mongodb:mongoid:8.1.0
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cpe:2.3:a:mongodb:mongoid:8.1.1
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cpe:2.3:a:mongodb:mongoid:8.1.10
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cpe:2.3:a:mongodb:mongoid:8.1.11
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cpe:2.3:a:mongodb:mongoid:8.1.12
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cpe:2.3:a:mongodb:mongoid:8.1.2
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cpe:2.3:a:mongodb:mongoid:8.1.3
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cpe:2.3:a:mongodb:mongoid:8.1.4
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cpe:2.3:a:mongodb:mongoid:8.1.5
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cpe:2.3:a:mongodb:mongoid:8.1.6
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cpe:2.3:a:mongodb:mongoid:8.1.7
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cpe:2.3:a:mongodb:mongoid:8.1.8
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cpe:2.3:a:mongodb:mongoid:8.1.9
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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