Vulnerability Details CVE-2026-13063
An authenticated user with standard read/write privileges can cause the mongod process to terminate due to an out-of-memory condition by sending a crafted aggregation command. MongoDB's libmongocrypt library insufficiently validates payload-supplied values, which can result in an excessively large memory allocation.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.002
EPSS Ranking 11.6%
CVSS Severity
CVSS v3 Score 4.3
Products affected by CVE-2026-13063
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cpe:2.3:a:mongodb:mongodb:8.2.0
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cpe:2.3:a:mongodb:mongodb:8.2.1
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cpe:2.3:a:mongodb:mongodb:8.2.10
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cpe:2.3:a:mongodb:mongodb:8.2.11
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cpe:2.3:a:mongodb:mongodb:8.2.2
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cpe:2.3:a:mongodb:mongodb:8.2.3
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cpe:2.3:a:mongodb:mongodb:8.2.4
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cpe:2.3:a:mongodb:mongodb:8.2.5
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cpe:2.3:a:mongodb:mongodb:8.2.6
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cpe:2.3:a:mongodb:mongodb:8.2.7
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cpe:2.3:a:mongodb:mongodb:8.2.9
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cpe:2.3:a:mongodb:mongodb:8.3.0
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cpe:2.3:a:mongodb:mongodb:8.3.1
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cpe:2.3:a:mongodb:mongodb:8.3.2
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cpe:2.3:a:mongodb:mongodb:8.3.3
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cpe:2.3:a:mongodb:mongodb:8.3.4