GitHub Advisoryadvisory · Go
GHSA-p5x9-j974-rpfp Grafana legacy correlations allow cross-tenant disclosure and deletion
LOW
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
- https://nvd.nist.gov/vuln/detail/CVE-2026-21727 advisory
- https://github.com/grafana/grafana/commit/2b2847625b8a77ba47128ccb5ecbcd72542cb9bc web
- https://github.com/grafana/grafana/commit/2cf0dd6fde3f5a2b92864e2376ae5378c7df45e2 web
- https://github.com/grafana/grafana/commit/4010ee30bb441bc399a1f37bdc8ab55ec909f3b7 web
- https://github.com/grafana/grafana/commit/8e7ea333991d913298bd68d4787da9c6977a0a8c web
- https://github.com/grafana/grafana/commit/a9a98fc4327182d1bdb9a74b5c2938d5c127e764 web
- https://github.com/grafana/grafana/commit/e702db6096e0509ff2825f732697f077e9e6289f web
- https://github.com/grafana/grafana package
- https://grafana.com/security/security-advisories/cve-2026-21727 web