MongoDB Server up to 7.0.39/8.0.28/8.3.7 improper authorization

Summaryinfo

A vulnerability has been found in MongoDB Server up to 7.0.39/8.0.28/8.3.7 and classified as critical. This issue affects some unknown processing. This manipulation causes improper authorization. This vulnerability is tracked as CVE-2026-18690. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability was found in MongoDB Server up to 7.0.39/8.0.28/8.3.7. It has been declared as critical. Affected by this vulnerability is an unknown part. The manipulation with an unknown input leads to a improper authorization vulnerability. The CWE definition for the vulnerability is CWE-285. The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

An issue in MongoDB Server could allow an authenticated user with a limited database-scoped role to perform an action against protected system collections that their assigned privileges should not permit. This could result in critical system collections being dropped and recreated without proper authorization.

It is possible to read the advisory at jira.mongodb.org. This vulnerability is known as CVE-2026-18690 since 08/03/2026. The exploitation appears to be easy. The attack can be launched remotely. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1548.002 according to MITRE ATT&CK.

Upgrading to version 7.0.40, 8.0.29 or 8.3.8 eliminates this vulnerability.

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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
• 7.0.32
• 7.0.33
• 7.0.34
• 7.0.35
• 7.0.36
• 7.0.37
• 7.0.38
• 7.0.39
• 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
• 8.0.21
• 8.0.22
• 8.0.23
• 8.0.24
• 8.0.25
• 8.0.26
• 8.0.27
• 8.0.28
• 8.3.0
• 8.3.1
• 8.3.2
• 8.3.3
• 8.3.4
• 8.3.5
• 8.3.6
• 8.3.7

License

• open-source

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