Cross-site scripting in Grafana - CVE-2026-76154
Published: September 21, 2026
Vulnerability identifier: #VU151509
CSH Severity: Low
CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N]
CVE-ID: CVE-2026-76154
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to execute arbitrary JavaScript in another user's session.
The vulnerability exists due to stored cross-site scripting in the Geomap panel's MapLibre base layer when a victim views a malicious hosted style configuration. A remote user can host a malicious style configuration to execute arbitrary JavaScript in another user's session.
Successful exploitation can enable escalation to the Org Admin role.
Affected software
Grafana
How to mitigate CVE-2026-76154
Install security update from vendor's website.
Grafana - addressed in versions 12.4.11, 13.0.9, 13.1.6, 13.2.2