CVE-2026-88858
MEDIUM
NVD
CVSS Score
6.5
Severity
MEDIUM
Published
Oct 28, 2026
Vendor
unknown
Description
A user with the Viewer role in Grafana can crash the server by submitting a crafted server-side math expression (uncontrolled recursion). A user with permission to provision alert rules can make the outage persist across restarts.