Vulnerability 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+.
Related Weaknesses (CWE)
References
- https://docs.cloud.google.com/looker/docs/release-notes#July_22_2026
- https://docs.cloud.google.com/support/bulletins#gcp-2026-049
FAQ
What is CVE-2026-15810?
CVE-2026-15810 is a documented vulnerability. 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...
How severe is CVE-2026-15810?
CVSS scoring is not yet available for CVE-2026-15810. Check NVD for updates.
Is there a patch for CVE-2026-15810?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.