---
id: CVE-2025-12740
title: >-
  A Looker user with a Developer role could create a database connection using
  IBM DB2 driver and, by manipulating LookML, cause Looker to execute a
  malicious command, due to inadequate filtering of the driver's parameters.


  Looker-hosted …
summary: >-
  A Looker user with a Developer role could create a database connection using
  IBM DB2 driver and, by manipulating LookML, cause Looker to execute a
  malicious command, due to inadequate filtering of the driver's parameters.


  Looker-hosted …
severity: none
cwe:
  - CWE-20
published: '2025-11-24'
updated: '2026-10-08'
sourceUpdated: '2026-10-08T10:10:00.227'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-12740'
references:
  - url: 'https://cloud.google.com/support/bulletins#gcp-2025-052'
    label: f45cbf4e-4146-4068-b7e1-655ffc2c548c
tags:
  - nvd
epss: 0.00245
epssPercentile: 0.14471
ingestedAt: '2026-10-08T10:28:22.138Z'
---

## Overview

A Looker user with a Developer role could create a database connection using IBM DB2 driver and, by manipulating LookML, cause Looker to execute a malicious command, due to inadequate filtering of the driver's parameters.

Looker-hosted and Self-hosted were found to be vulnerable.
This issue has already been mitigated for Looker-hosted instances. No user action is required for these.


Self-hosted instances must be upgraded as soon as possible. This vulnerability has been patched in all supported versions of Self-hosted.
The versions below have all been updated to protect from this vulnerability. You can download these versions at the Looker download page  https://download.looker.com/ :
  *  25.0.93+
  *  25.6.84+

  *  25.12.42+
  *  25.14.50+
  *  25.16.44+

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.