A Cross-Site Scripting (XSS) vulnerability in Google Cloud Looker versions prior to 25.6.103, 25.12.65, 25.18.68, 26.0.66, 26.2.47, 26.4.36, 26.6.28, and 26.8.7 on Looker-hosted and Self-hosted allows an attacker to execute arbitrary JavaScript leading to administrative account takeover using a maliciously crafted URL.


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 to the patched versions: 25.6.103+, 25.12.65+, 25.18.68+, 26.0.66+, 26.2.47+, 26.4.36+, 26.6.28+, or 26.8.7+.

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction Passive

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact Low

Subsequent System Integrity Impact Low

Subsequent System Availability Impact Low

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

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 < 25.6.103
0 affected < 25.12.65
0 affected < 25.18.68
0 affected < 26.0.66
0 affected < 26.2.47
0 affected < 26.4.36
0 affected < 26.6.28
0 affected < 26.8.7
Google Cloud Looker unaffected
Version Status Constraints
0 affected < 25.6.103
0 affected < 25.12.65
0 affected < 25.18.68
0 affected < 26.0.66
0 affected < 26.2.47
0 affected < 26.4.36
0 affected < 26.6.28
0 affected < 26.8.7

No data.

No data.

No data.

Project Subscriptions

No data.

Advisories

No advisories yet.

Fixes

Solution

This vulnerability has been mitigated for Looker-hosted instances, and no user action is required. For Self-hosted Looker instances, customers should upgrade to one of the patched versions or later: 25.6.103+, 25.12.65+, 25.18.68+, 26.0.66+, 26.2.47+, 26.4.36+, 26.6.28+, or 26.8.7+.

Workaround

No workaround given by the vendor.

References
Link Providers
https://docs.cloud.google.com/looker/docs/release-notes#July_22_2026 cve-icon
https://docs.cloud.google.com/support/bulletins#gcp-2026-049 cve-icon
History

Fri, 24 Jul 2026 18:30:00 +0000

Type Values Removed Values Added
Description A Cross-Site Scripting (XSS) vulnerability in Google Cloud Looker versions prior to 25.6.103, 25.12.65, 25.18.68, 26.0.66, 26.2.47, 26.4.36, 26.6.28, and 26.8.7 on Looker-hosted and Self-hosted allows an attacker to execute arbitrary JavaScript leading to administrative account takeover using a maliciously crafted URL. 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 to the patched versions: 25.6.103+, 25.12.65+, 25.18.68+, 26.0.66+, 26.2.47+, 26.4.36+, 26.6.28+, or 26.8.7+.
Title Cross-Site Scripting (XSS) in Looker allows Admin Account Takeover
Weaknesses CWE-79
References
Metrics cvssV4_0

{'score': 8.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L/U:Amber'}

ssvc

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

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: GoogleCloud

Published:

Updated: 2026-07-24T12:35:11.062Z

Reserved: 2026-07-15T10:03:09.218Z

Link: CVE-2026-15810

cve-icon Vulnrichment

Updated: 2026-07-24T12:35:03.396Z

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses