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+

Attack Vector Network

Attack Complexity High

Privileges Required Low

Attack Requirements Present

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00126.

Exploitation none

Automatable no

Technical Impact total

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Google Cloud Looker unaffected
Version Status Constraints
0 affected < 25.0.93
0 affected < 25.6.84
0 affected < 25.12.42
0 affected < 25.14.50
0 affected < 25.16.44
Google Cloud Looker unaffected
Version Status Constraints
0 affected < 25.0.93
0 affected < 25.6.84
0 affected < 25.12.42
0 affected < 25.14.50
0 affected < 25.16.44

No data.

No data.

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Advisories

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Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://cloud.google.com/support/bulletins#gcp-2025-052 cve-icon cve-icon
History

Tue, 25 Nov 2025 11:15:00 +0000

Type Values Removed Values Added
First Time appeared Google
Google cloud Looker
Vendors & Products Google
Google cloud Looker

Mon, 24 Nov 2025 14:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Mon, 24 Nov 2025 11:45:00 +0000

Type Values Removed Values Added
Description 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+
Title Remote Command Execution in Looker via IBM DB2 JDBC drive
Weaknesses CWE-20
References
Metrics cvssV4_0

{'score': 7.7, 'vector': 'CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/U:Red'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: GoogleCloud

Published:

Updated: 2025-11-24T13:14:36.770Z

Reserved: 2025-11-05T10:44:47.390Z

Link: CVE-2025-12740

cve-icon Vulnrichment

Updated: 2025-11-24T13:13:51.518Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2025-11-24T12:15:45.127

Modified: 2025-11-25T22:16:16.690

Link: CVE-2025-12740

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2025-11-25T11:02:28Z

Weaknesses