CVE-2026-27880

The OpenFeature feature toggle evaluation endpoint reads unbounded values into memory, which can cause out-of-memory crashes.

CVSS v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://grafana.com/security/security-advisories/cve-2026-27880	Vendor Advisory
https://access.redhat.com/security/cve/CVE-2026-27880
https://bugzilla.redhat.com/show_bug.cgi?id=2452295
https://grafana.com/security/security-advisories/cve-2026-27880	Vendor Advisory
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-27880.json

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::::::::

History

30 Jun 2026, 03:17

Type	Values Removed	Values Added
References		() https://access.redhat.com/security/cve/CVE-2026-27880 - () https://bugzilla.redhat.com/show_bug.cgi?id=2452295 - () https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-27880.json -
CWE		CWE-770

10 May 2026, 14:16

Type	Values Removed	Values Added
CWE		CWE-125

31 Mar 2026, 18:56

Type	Values Removed	Values Added
CPE		cpe:2.3:a:grafana:grafana::::::::
CWE		CWE-787
First Time		Grafana Grafana grafana
References	~~() https://grafana.com/security/security-advisories/cve-2026-27880 -~~	() https://grafana.com/security/security-advisories/cve-2026-27880 - Vendor Advisory

27 Mar 2026, 15:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-03-27 15:16

Updated : 2026-07-15 02:19

NVD link : CVE-2026-27880

Mitre link : CVE-2026-27880

CVE.ORG link : CVE-2026-27880

JSON object : View

Products Affected

grafana

grafana

CWE

CWE-787

Out-of-bounds Write

CWE-125

Out-of-bounds Read

CWE-770

Allocation of Resources Without Limits or Throttling

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