CVE-2026-15810CWE-79

Cross-Site Scripting (XSS) in Looker allows Admin Account Takeover

High · published July 24, 2026

CVSS v4.0
8.7
EPSS
0%
Percentile
38.4
In the wild
Unconfirmed
What it is

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+.

The record
Technical detail
CVSS v4.0
8.7 · HIGH
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
EPSS
0.00453 · 38.4th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2026-07-24T11:04Z
EPSS history
Timeline
  • 24 JUL 11:04Z
    Cross-Site Scripting (XSS) in Looker allows Admin Account Takeover
    cvelistv5