#VU122265 Improper access control in Grafana - CVE-2026-21727

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Main Vulnerability Database Vulnerabilities #VU122265

#VU122265 Improper access control in Grafana - CVE-2026-21727

Published: February 3, 2026


Vulnerability identifier: #VU122265
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-21727
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Grafana
Software vendor:
Grafana Labs

Description

The vulnerability allows a remote user to read and delete legacy correlation data belonging to another organization.

The vulnerability exists due to a cross-tenant isolation vulnerability in the Correlations feature affecting legacy correlation records. A remote user with datasource management privileges can  read and permanently delete legacy correlation data belonging to another organization.


Remediation

Install updates from vendor's website.

External links