GitHub Advisoryadvisory · Go

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

LOW Published 2026-04-15 Modified 2026-10-05 Official page ↗
Aliases
CVE-2026-21727
Ecosystem
Go
Packages
github.com/grafana/grafana
Severity
Low
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:N
Weaknesses
CWE-732
Reviewed
2026-10-05

Affected packages

• Go github.com/grafana/grafana: < 1.9.2-0.20260127141016-e702db6096e0 → fixed in 1.9.2-0.20260127141016-e702db6096e0

Description

--- 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.

Related

Alias · CVE (1)

  • CVE-2026-21727 A cross-tenant isolation vulnerability was found in Grafana’s Correlations feature affecting legacy correlation records. vulnerability

Weakness · CWE (1)

  • CWE-732 Incorrect Permission Assignment for Critical Resource weakness

References