CVEvulnerability

CVE-2026-8609

7.5 HIGH Published 2026-07-10 Modified 2026-10-25 Official page ↗
Status
Analyzed
Published
2026-07-10
Last modified
2026-10-25
Assigner
[email protected]
CVSS 3.1 ([email protected])
5.3 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CVSS 3.1 ([email protected])
7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weaknesses
CWE-400

Description

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 configurations

• grafana grafana (>= 11.6.0 < 11.6.15) • grafana grafana (>= 12.2.0 < 12.2.9) • grafana grafana (>= 12.3.0 < 12.3.7) • grafana grafana (>= 12.4.0 < 12.4.4) • grafana grafana (>= 13.0.0 < 13.0.2)

Related

Weakness · CWE (1)

  • CWE-400 Uncontrolled Resource Consumption weakness

References