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bdu:2026-02013

BIT-grafana-2026-21727 — Grafana Correlations: Cross-Tenant Data Disclosure and Permanent Deletion via Legacy org_id=0 Record

Affected: Bitnami: grafana

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.

EUVD-2026-360222

fkie_cve-2026-21727

Thanks to Gyu-hyeok Lee (g2h) for reporting this vulnerability.

GHSA-p5x9-j974-rpfp — Grafana legacy correlations allow cross-tenant disclosure and deletion

Affected: Go: github.com/grafana/grafana

--- hero: image: /static/img/heros/hero-legal2.svg content: "# Cross-Tenant Legacy Correlation Disclosure and Deletion" date: 2026-01-29 product: Grafana fixed_versions: - ">=11.6.11 >=12.0.9 >=12.1.6 >=12.2.4" --- 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.

UBUNTU-CVE-2026-21727

Affected: Ubuntu:16.04:LTS: grafana

WID-SEC-W-2026-0300 — Grafana: Schwachstelle ermöglicht Manipulation von Dateien und Offenlegung von Informationen

Ein entfernter, authentisierter Angreifer kann eine Schwachstelle in Grafana ausnutzen, um Dateien zu manipulieren und vertrauliche Informationen offenzulegen.