CVE-2026-21727
CVE-2026-21727 · Grafana Correlations: Cross-Tenant Data Disclosure and Permanent Deletion via Legacy org_id=0 Record
This page contains facts from public vulnerability sources. Check the original advisory before updating.
A cross-tenant isolation vulnerability was found in Grafana’s Correlations feature affecting legacy correlation records. Due to a backward compatibility condition allowing org_id = 0 records to be returned across organizations, a user with datasource management privileges could read and permanently delete legacy correlation data belonging to another organization. This issue affects correlations created prior to Grafana 10.2 and is fixed in >=11.6.11, >=12.0.9, >=12.1.6, and >=12.2.4. Thanks to Gyu-hyeok Lee (g2h) for reporting this vulnerability.
CVSS 3.3 · Low · EPSS 0.2% · Fix available
- Published
- Updated
Stack: system · applications
Affected products and versions
grafana correlations
- Versions
- ≥ 10.2.0, < 12.4.0: Affected (semver)
Update to 12.4.0
grafana Ubuntu:16.04:LTS
- Versions
- 2.6.0+dfsg-1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published