Description
The MongoDB C++ Driver discards content after an embedded NUL byte in certain field and collection names accepted by the collection API. This can cause the driver and the calling application to interpret the same name differently. An authenticated actor who can influence a name passed by an affected application can cause the application to read distinct values from an unintended field or rename an unintended collection. These operations use the application's existing database credentials.
Published: 2026-10-08
Score: 6 Medium
EPSS: n/a
KEV: No
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History

Thu, 08 Oct 2026 19:00:00 +0000

Type Values Removed Values Added
Description The MongoDB C++ Driver discards content after an embedded NUL byte in certain field and collection names accepted by the collection API. This can cause the driver and the calling application to interpret the same name differently. An authenticated actor who can influence a name passed by an affected application can cause the application to read distinct values from an unintended field or rename an unintended collection. These operations use the application's existing database credentials.
Title Query and rename target confusion via embedded NUL truncation in MongoDB C++ Driver
Weaknesses CWE-436
References
Metrics cvssV3_1

{'score': 5.9, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:H/A:N'}

cvssV4_0

{'score': 6, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N'}


Subscriptions

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cve-icon MITRE

Status: PUBLISHED

Assigner: mongodb

Published:

Updated: 2026-10-08T19:25:15.316Z

Reserved: 2026-10-06T16:40:35.016Z

Link: CVE-2026-106430

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-10-08T19:16:58.910

Modified: 2026-10-08T19:16:58.910

Link: CVE-2026-106430

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses