MongoDB Server up to 7.0.31/8.0.20/8.2.6 Management Command improper validation of specified quantity in input

Summaryinfo

A vulnerability, which was classified as critical, has been found in MongoDB Server up to 7.0.31/8.0.20/8.2.6. This impacts an unknown function of the component Management Command Handler. This manipulation causes improper validation of specified quantity in input. This vulnerability appears as CVE-2026-6915. The attack may be initiated remotely. There is no available exploit. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability has been found in MongoDB Server up to 7.0.31/8.0.20/8.2.6 and classified as critical. Affected by this vulnerability is an unknown functionality of the component Management Command Handler. The manipulation with an unknown input leads to a improper validation of specified quantity in input vulnerability. The CWE definition for the vulnerability is CWE-1284. The product receives input that is expected to specify a quantity (such as size or length), but it does not validate or incorrectly validates that the quantity has the required properties. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

An authorization flaw in the user management command could allow an authenticated user to make limited changes to authentication-related data associated with another user account. This could affect how authentication is performed for the impacted account.

The advisory is shared at jira.mongodb.org. This vulnerability is known as CVE-2026-6915 since 04/23/2026. The exploitation appears to be easy. The attack can be launched remotely. Neither technical details nor an exploit are publicly available.

Upgrading to version 7.0.32, 8.0.21 or 8.2.7 eliminates this vulnerability.

The vulnerability is also documented in the databases at EUVD (EUVD-2026-26263) and CERT Bund (WID-SEC-2026-1321). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Affected

• Open Source MongoDB

Productinfo

Type

• Database Software

Vendor

• MongoDB

Name

• Server

Version

• 7.0.0
• 7.0.1
• 7.0.2
• 7.0.3
• 7.0.4
• 7.0.5
• 7.0.6
• 7.0.7
• 7.0.8
• 7.0.9
• 7.0.10
• 7.0.11
• 7.0.12
• 7.0.13
• 7.0.14
• 7.0.15
• 7.0.16
• 7.0.17
• 7.0.18
• 7.0.19
• 7.0.20
• 7.0.21
• 7.0.22
• 7.0.23
• 7.0.24
• 7.0.25
• 7.0.26
• 7.0.27
• 7.0.28
• 7.0.29
• 7.0.30
• 7.0.31
• 8.0.0
• 8.0.1
• 8.0.2
• 8.0.3
• 8.0.4
• 8.0.5
• 8.0.6
• 8.0.7
• 8.0.8
• 8.0.9
• 8.0.10
• 8.0.11
• 8.0.12
• 8.0.13
• 8.0.14
• 8.0.15
• 8.0.16
• 8.0.17
• 8.0.18
• 8.0.19
• 8.0.20
• 8.2.0
• 8.2.1
• 8.2.2
• 8.2.3
• 8.2.4
• 8.2.5
• 8.2.6

License

• open-source

CPE 2.3info

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CPE 2.2info

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Entryinfo

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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