Vulnerability Details CVE-2026-8609
An unauthenticated attacker can repeatedly call Grafana's OAuth login route with unique values, causing unbounded memory growth that can eventually exhaust memory and crash the Grafana instance (denial of service).
Exploit prediction scoring system (EPSS) score
EPSS Score 0.004
EPSS Ranking 28.0%
CVSS Severity
CVSS v3 Score 5.3