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).

CVSS v3 5.3 MEDIUM

5.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 3.9 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact LOW

Scope UNCHANGED

References

Link	Resource
https://grafana.com/security/security-advisories/cve-2026-8609	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:grafana:grafana:::::-:::*
	cpe:2.3:a:grafana:grafana:::::-:::*
	cpe:2.3:a:grafana:grafana:::::-:::*
	cpe:2.3:a:grafana:grafana:::::-:::*
	cpe:2.3:a:grafana:grafana:::::-:::*

History

13 Jul 2026, 20:51

Type	Values Removed	Values Added
References	~~() https://grafana.com/security/security-advisories/cve-2026-8609 -~~	() https://grafana.com/security/security-advisories/cve-2026-8609 - Vendor Advisory
CPE		cpe:2.3:a:grafana:grafana:::::-:::*
First Time		Grafana Grafana grafana

10 Jul 2026, 16:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-07-10 16:16

Updated : 2026-07-13 20:51

NVD link : CVE-2026-8609

Mitre link : CVE-2026-8609

CVE.ORG link : CVE-2026-8609

JSON object : View

Products Affected

grafana

grafana

CWE

CWE-400

Uncontrolled Resource Consumption

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