Vulnerability Details CVE-2026-81523
A missing input-validation issue in MongoDB libmongocrypt's automatic-encryption context setup allows a caller-supplied database identifier to be accepted without sanitization. The resulting impact is limited to incorrect schema selection, which may lead to limited disclosure or modification of information handled by the application.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 0.1%
CVSS Severity
CVSS v3 Score 4.4
References
Products affected by CVE-2026-81523
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cpe:2.3:a:mongodb:libmongocrypt:1.0.0
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cpe:2.3:a:mongodb:libmongocrypt:1.0.1
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cpe:2.3:a:mongodb:libmongocrypt:1.0.2
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cpe:2.3:a:mongodb:libmongocrypt:1.0.3
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cpe:2.3:a:mongodb:libmongocrypt:1.0.4
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cpe:2.3:a:mongodb:libmongocrypt:1.1.0
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cpe:2.3:a:mongodb:libmongocrypt:1.1.1
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cpe:2.3:a:mongodb:libmongocrypt:1.10.0
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cpe:2.3:a:mongodb:libmongocrypt:1.10.1
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cpe:2.3:a:mongodb:libmongocrypt:1.11.0
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cpe:2.3:a:mongodb:libmongocrypt:1.12.0
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cpe:2.3:a:mongodb:libmongocrypt:1.13.0
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cpe:2.3:a:mongodb:libmongocrypt:1.13.1
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cpe:2.3:a:mongodb:libmongocrypt:1.13.2
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cpe:2.3:a:mongodb:libmongocrypt:1.14.0
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cpe:2.3:a:mongodb:libmongocrypt:1.14.1
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cpe:2.3:a:mongodb:libmongocrypt:1.15.0
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cpe:2.3:a:mongodb:libmongocrypt:1.15.1
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cpe:2.3:a:mongodb:libmongocrypt:1.15.2
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cpe:2.3:a:mongodb:libmongocrypt:1.16.0
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cpe:2.3:a:mongodb:libmongocrypt:1.17.0
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cpe:2.3:a:mongodb:libmongocrypt:1.17.1
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cpe:2.3:a:mongodb:libmongocrypt:1.17.2
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cpe:2.3:a:mongodb:libmongocrypt:1.17.3
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cpe:2.3:a:mongodb:libmongocrypt:1.18.0
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cpe:2.3:a:mongodb:libmongocrypt:1.18.1
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cpe:2.3:a:mongodb:libmongocrypt:1.18.2
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cpe:2.3:a:mongodb:libmongocrypt:1.19.0
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cpe:2.3:a:mongodb:libmongocrypt:1.19.1
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cpe:2.3:a:mongodb:libmongocrypt:1.19.2
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cpe:2.3:a:mongodb:libmongocrypt:1.2.0
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cpe:2.3:a:mongodb:libmongocrypt:1.2.1
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cpe:2.3:a:mongodb:libmongocrypt:1.2.2
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cpe:2.3:a:mongodb:libmongocrypt:1.20.0
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cpe:2.3:a:mongodb:libmongocrypt:1.20.1
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cpe:2.3:a:mongodb:libmongocrypt:1.20.2
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cpe:2.3:a:mongodb:libmongocrypt:1.3.0
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cpe:2.3:a:mongodb:libmongocrypt:1.3.1
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cpe:2.3:a:mongodb:libmongocrypt:1.3.2
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cpe:2.3:a:mongodb:libmongocrypt:1.4.0
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cpe:2.3:a:mongodb:libmongocrypt:1.4.1
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cpe:2.3:a:mongodb:libmongocrypt:1.5.0
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cpe:2.3:a:mongodb:libmongocrypt:1.5.1
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cpe:2.3:a:mongodb:libmongocrypt:1.5.2
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cpe:2.3:a:mongodb:libmongocrypt:1.6.0
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cpe:2.3:a:mongodb:libmongocrypt:1.6.1
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cpe:2.3:a:mongodb:libmongocrypt:1.6.2
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cpe:2.3:a:mongodb:libmongocrypt:1.7.0
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cpe:2.3:a:mongodb:libmongocrypt:1.7.1
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cpe:2.3:a:mongodb:libmongocrypt:1.7.2
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cpe:2.3:a:mongodb:libmongocrypt:1.7.3
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cpe:2.3:a:mongodb:libmongocrypt:1.7.4
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cpe:2.3:a:mongodb:libmongocrypt:1.8.0
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cpe:2.3:a:mongodb:libmongocrypt:1.8.1
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cpe:2.3:a:mongodb:libmongocrypt:1.8.2
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cpe:2.3:a:mongodb:libmongocrypt:1.8.3
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cpe:2.3:a:mongodb:libmongocrypt:1.8.4
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cpe:2.3:a:mongodb:libmongocrypt:1.9.0
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cpe:2.3:a:mongodb:libmongocrypt:1.9.1