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+.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Google Cloud | Looker | < 25.6.103, < 25.12.65, < 25.18.68, < 26.0.66, < 26.2.47, < 26.4.36, < 26.6.28, < 26.8.7 | 25.6.103 |
Advisories 1
- WID-SEC-2026-2476 Google Cloud Platform: Schwachstelle ermöglicht Cross-Site Scripting BSI CERT-Bund (WID) · Jul 26, 2026