Budibase up to 3.39.x MongoDB Datasource Integration data query logic injection

Summaryinfo

A vulnerability was found in Budibase up to 3.39.x. It has been rated as critical. This vulnerability affects unknown code of the component MongoDB Datasource Integration. Performing a manipulation results in data query logic injection. This vulnerability was named CVE-2026-73617. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability classified as critical has been found in Budibase up to 3.39.x. This affects an unknown function of the component MongoDB Datasource Integration. The manipulation with an unknown input leads to a data query logic injection vulnerability. CWE is classifying the issue as CWE-943. The product generates a query intended to access or manipulate data in a data store such as a database, but it does not neutralize or incorrectly neutralizes special elements that can modify the intended logic of the query. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Budibase before 3.40.0 contains a NoSQL injection vulnerability in the MongoDB datasource integration where user-supplied parameters are enriched with handlebars using noEscaping: true and parsed without operator filtering. Attackers can inject MongoDB operators through query parameters to bypass per-user access controls, read arbitrary documents, execute JavaScript via $where operators, or modify collections through update and delete operations.

It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2026-73617 since 08/13/2026. 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 3.40.0 eliminates this vulnerability.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Name

• Budibase

Version

• 3.0
• 3.1
• 3.2
• 3.3
• 3.4
• 3.5
• 3.6
• 3.7
• 3.8
• 3.9
• 3.10
• 3.11
• 3.12
• 3.13
• 3.14
• 3.15
• 3.16
• 3.17
• 3.18
• 3.19
• 3.20
• 3.21
• 3.22
• 3.23
• 3.24
• 3.25
• 3.26
• 3.27
• 3.28
• 3.29
• 3.30
• 3.31
• 3.32
• 3.33
• 3.34
• 3.35
• 3.36
• 3.37
• 3.38
• 3.39

Website

• Product: https://github.com/Budibase/budibase/

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