MongoDB Server up to 7.0.39/8.0.28/8.3.7 Geospatial Validation use after free

Summaryinfo

A vulnerability marked as problematic has been reported in MongoDB Server up to 7.0.39/8.0.28/8.3.7. Affected by this issue is some unknown functionality of the component Geospatial Validation. Performing a manipulation results in use after free. This vulnerability is known as CVE-2026-18700. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability was found in MongoDB Server up to 7.0.39/8.0.28/8.3.7. It has been classified as problematic. This affects an unknown code of the component Geospatial Validation. The manipulation with an unknown input leads to a use after free vulnerability. CWE is classifying the issue as CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. This is going to have an impact on availability. The summary by CVE is:

An issue in MongoDB Server's geospatial validation could allow an authenticated user with write privileges to cause an internal reference to be used after the underlying memory has been freed, through concurrent operations against a collection using a certain type of validator. This could result in a server crash, leading to a denial of service.

It is possible to read the advisory at jira.mongodb.org. This vulnerability is uniquely identified as CVE-2026-18700 since 08/03/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. The technical details are unknown and an exploit is not publicly available.

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

CPE 2.3info

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CPE 2.2info

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