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EUVD-2026-355049

2026-10-14T21:51:36.396145+00:00

EUVD-2026-355049

fkie_cve-2026-64657

2026-10-14T21:51:36.396173+00:00

Budibase is an open-source low-code platform. Prior to 3.39.19, the PostgreSQL datasource connector in packages/server/src/integrations/postgres.ts interpolates the user-controlled schema configuration field into a SET search_path statement without escaping embedded double quotes, allowing an authenticated administrator who saves or tests the datasource to execute arbitrary SQL through the simple query protocol. This issue is fixed in version 3.39.19.

GHSA-qqf5-x7mj-v43p — budibase: Database Connector SQL Injections in PostgreSQL, MS SQL, and MySQL

2026-10-14T21:51:36.396203+00:00

Affected: npm: budibase

### Summary This advisory covers three distinct SQL Injection vulnerabilities within Budibase's database connectors (PostgreSQL, Microsoft SQL Server, and MySQL). Because user-controlled schema and table configurations are interpolated directly into raw SQL queries without proper escaping or parameterization during database introspection, an authenticated administrator can break out of string delimiters. This allows for arbitrary DDL/DML execution, database compromise, and potential underlying OS command execution (e.g., via MS SQL `xp_cmdshell`).

### Details

### Vulnerability Type & Title **PostgreSQL `SET search_path` SQL Injection**

### Description & Root Cause The `schema` datasource config field is interpolated directly into a raw SQL statement without proper escaping. Double quotes inside the schema name are not escaped, allowing an attacker to break out of the string literal and inject arbitrary SQL.

**Vulnerable Code:** **File:** `packages/server/src/integrations/postgres.ts`, lines 355–358

```typescript const search_path = this.config.schema .split(",") .map(item => `"${item.trim()}"`) // NO escaping of embedded " await this.client.query(`SET search_path TO ${search_path.join(",")};`) ```

`node-postgres` sends this via the **simple query protocol**, which supports multi-statement execution with semicolons.

### Step-by-Step Reproduction 1. Edit a PostgreSQL datasource configuration. 2. Set the schema field to: `public"; CREATE TABLE pwned…

WID-SEC-W-2026-2000 — Budibase: Schwachstelle ermöglicht SQL-Injection und Codeausführung

2026-10-14T21:51:36.396261+00:00

Ein entfernter, authentisierter Angreifer kann eine Schwachstelle in Budibase ausnutzen, um eine SQL Injection durchzuführen oder beliebigen Programmcode auszuführen.