Auth bypass in Grafana

CVE-2026-28380

Any Editor could delete any snapshot, even if they have no access to read or write them.

Vulnerability class: Broken Access Control

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

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N.

Affected products

Grafana — versions 11.6.14, 12.2.8, 12.3.6
Grafana Oss — versions 9.4.0, 11.6.14, 12.0.0

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

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

Frequently asked questions

What is CVE-2026-28380?: CVE-2026-28380 is a medium-severity vulnerability in Grafana, classified under Missing Authorization. CVSS score: 6.5/10. Published 2026-05-13.
How severe is CVE-2026-28380?: Medium severity. CVSS v3 base score is 6.5 out of 10.