medium5.3
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 mem…
Impact
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).
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Grafana | Grafana | from 11.6.0 before 11.6.15 from 12.2.0 before 12.2.9 from 12.3.0 before 12.3.7 from 12.4.0 before 12.4.4 from 13.0.0 before 13.0.2 |