MongoDB C++ Driver up to 4.6.0 Collection API missing initialization

CVSS Meta Temp Score
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CTI Interest Score
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6.0$0-$5k5.02

Summaryinfo

A vulnerability categorized as critical has been discovered in MongoDB C++ Driver up to 4.6.0. This vulnerability affects unknown code of the component Collection API. Executing a manipulation can lead to missing initialization. This vulnerability appears as CVE-2026-106430. The attack may be performed from remote. There is no available exploit. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in MongoDB C++ Driver up to 4.6.0. It has been declared as critical. This vulnerability affects an unknown functionality of the component Collection API. The manipulation with an unknown input leads to a missing initialization vulnerability. The CWE definition for the vulnerability is CWE-456. The product does not initialize critical variables, which causes the execution environment to use unexpected values. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

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.

The advisory is shared for download at jira.mongodb.org. This vulnerability was named CVE-2026-106430 since 10/06/2026. The exploitation appears to be easy. The attack can be initiated remotely. There are neither technical details nor an exploit publicly available.

Upgrading to version 4.6.1 eliminates this vulnerability.

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Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 6.1
VulDB Meta Temp Score: 6.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 5.9
CNA Vector (mongodb): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Missing initialization
CWE: CWE-456 / CWE-453
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: C++ Driver 4.6.1

Timelineinfo

10/06/2026 CVE reserved
10/08/2026 +2 days Advisory disclosed
10/08/2026 +0 days VulDB entry created
10/08/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: jira.mongodb.org
Status: Confirmed

CVE: CVE-2026-106430 (🔒)
GCVE (CVE): GCVE-0-2026-106430
GCVE (VulDB): GCVE-100-415528

Entryinfo

Created: 10/08/2026 21:03
Changes: 10/08/2026 21:03 (76)
Complete: 🔍
Cache ID: 216::103

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