SB2026020361 - Improper access control in Grafana
Published: February 3, 2026
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Improper access control (CVE-ID: CVE-2026-21727)
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 update from vendor's website.