XSS in Grafana Enterprise
CVE-2026-76154
A stored cross-site scripting vulnerability in the Geomap panel's MapLibre base layer allows a user with the Editor role to execute arbitrary JavaScript in another user's session by hosting a malicious style configuration, enabling escalation to Org Admin.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N.
EPSS exploit prediction
EPSS: 0.004 (28.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 29th percentile — 28.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Grafana Enterprise — versions 12.3.0
- Grafana Oss — versions 12.3.0
Weakness classification (CWE)
References
- grafana.com/security/security-advisories/cve-2026-76154 (vendor-advisory)
Frequently asked questions
- What is CVE-2026-76154?
- CVE-2026-76154 is a high-severity vulnerability in Grafana Enterprise, classified under Cross-site Scripting. CVSS score: 7.3/10. Published 2026-09-17.
- How severe is CVE-2026-76154?
- High severity. CVSS v3 base score is 7.3 out of 10.