CVE-2026-120956
The MongoDB C Driver does not validate the type or format of a namespace field returned by the server in a query response. A MongoDB endpoin
CVSS
7.1
Alto
EPSS
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KEV
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Exploit Today
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0-100
Publicado: 3 nov 2026 · Última mod.: 3 nov 2026 · CWE-617
Sin historial EPSS suficiente todavía.
The MongoDB C Driver does not validate the type or format of a namespace field returned by the server in a query response. A MongoDB endpoint that a client application connects to, without needing any credentials, can return a malformed value in that field. This causes the client application process to terminate, and can also cause the driver to read memory outside an allocated buffer and to send a small amount of the application's own uninitialized heap memory back to the endpoint in a follow-up command. The impact is limited to the process that embeds the driver.