CVE-2026-28375

Grafana Testdata datasource can issue unbounded memory allocations

State: Published
Severity: 6.5 Medium
Published: Mar 27, 2026
Updated: Aug 27, 2026
Reserved: Feb 27, 2026

Description

A testdata data-source can be used to trigger out-of-memory crashes in Grafana.

Scores

CVSS	Score	Vector	Source
3.1	6.5 Medium	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H	GRAFANA

Weaknesses

CWE-400 Uncontrolled Resource Consumption

Affected Products

Product	Versions
GrafanaGrafana	8.1.0 to before 11.6.14Affected 12.0.0 to before 12.1.10Affected 12.2.0 to before 12.2.8Affected 12.3.0 to before 12.3.6Affected 12.4.0 to before 12.4.2Affected

References

https://grafana.com/security/security-advisories/cve-2026-28375vendor-advisory

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