Improper access control in Grafana - CVE-2026-21722

 

Improper access control in Grafana - CVE-2026-21722

Published: February 12, 2026


Vulnerability identifier: #VU122756
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-21722
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Grafana Labs
Affected software:
Grafana

Detailed vulnerability description

The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to the application does not limit their annotation timerange to the locked timerange of the public dashboard with annotations enabled. A remote attacker can read the entire history of annotations visible on the specific dashboard, even those outside the locked timerange.


How to mitigate CVE-2026-21722

Install updates from vendor's website.

Sources