Auth bypass in Grafana
CVE-2026-21722
Public dashboards with annotations enabled did not limit their annotation timerange to the locked timerange of the public dashboard. This means one could read the entire history of annotations visible on the specific dashboard, even those outside the locked timerange. This did not leak any annotations that would not otherwise be visible on the public dashboard.
Vulnerability class: Information Disclosure
EPSS: 0.003 (25.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.
Affected products
- Grafana — versions 11.6.10, 12.1.6, 12.2.4
- Grafana Grafana/grafana — versions 9.3.0, 12.0.0, 12.2.0
- Grafana Grafana/grafana-enterprise — versions 9.3.0, 12.0.0, 12.2.0
Weakness classification (CWE)
References
- security@grafana.com (vendor-advisory, Broken Link)
Frequently asked questions
- What is CVE-2026-21722?
- CVE-2026-21722 is a medium-severity vulnerability in Grafana, classified under Information Disclosure. CVSS score: 5.3/10. Published 2026-02-12.
- How severe is CVE-2026-21722?
- Medium severity. CVSS v3 base score is 5.3 out of 10.