Advisoriesby IbisGoogle CloudCVE-2026-15810
Google Cloud Looker: cross-site scripting
Fix: upgrade to 25.6.103 or later (4 fixed versions below)
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 versions
| Package | Affected | Fixed in |
|---|---|---|
| Looker Product | < 25.6.103 | 25.6.103 |
| < 25.12.65 | 25.12.65 | |
| < 25.18.68 | 25.18.68 | |
| < 26.0.66 | 26.0.66 | |
| < 25.6.103 | 25.6.103 | |
| < 25.12.65 | 25.12.65 | |
| < 25.18.68 | 25.18.68 | |
| < 26.0.66 | 26.0.66 |
Details and references
- CVSS 4.0
- 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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Amber
- Severity from
- the vendor (its own CVE record or advisory)
- Weakness
- CWE-79