CVE-2026-73618

High

Description

Budibase Server before 3.40.0 contains a NoSQL injection vulnerability in the MongoDB query execution endpoint where user-supplied parameters are interpolated into JSON query templates without proper sanitization of JSON metacharacters. Attackers with query write permission can inject JSON structural characters to alter MongoDB queries, bypassing filters to read, modify, or delete arbitrary documents.

SeverityHigh

CVSS8.3

Exploit probability—

Product@budibase/server

PublishedAug 13, 2026

First seenAug 13, 2026

Weakness typeCWE-943CWE-943

How to fix

Vendor advisories

github.com/Budibase/budibase/security/advisories/GHSA-qw6m-8fw2-2v64

Affected products

Product	Affected versions	Fixed in
@budibase/servernpm	v ≤ 3.38.1	—

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