Vulnerability in Grafana

CVE-2026-28374

Editors could delete any annotation, even those they do not have read access to. The editor user cannot create or read the annotations.

EPSS: 0.000 (2.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.

Affected products

Grafana — versions 11.6.14, 12.2.8, 12.3.6
Grafana Oss — versions 8.5.0, 11.6.14, 12.0.0

Weakness classification (CWE)

CWE-284 — Improper Access Control

References

security@grafana.com (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2026-28374?: CVE-2026-28374 is a medium-severity vulnerability in Grafana, classified under Improper Access Control. CVSS score: 4.3/10. Published 2026-05-13.
How severe is CVE-2026-28374?: Medium severity. CVSS v3 base score is 4.3 out of 10.