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CVE-2026-21727Published

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 …

Exact source revision recorded 27 Oct 2026 06:23:31 UTC. It does not establish the source's current position. Latest evidence.

Recorded JSON

nvd · CVE-2026-21727

Published

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.

NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON.

Source analysis status: Modified

Weakness classifications: CWE-732

Original publisher date fields

published: 2026-04-15T20:16:34.290

lastModified: 2026-10-26T22:10:00.163

1 source CPE criteria · context only
  • cpe:2.3:a:grafana:grafana:*:*:*:*:*:*:*:*

The original JSON retains the logical configuration operators, exclusions and version bounds.

Source published
15 Apr 2026 20:16:34 UTC
Source modified
26 Oct 2026 22:10:00 UTC
Observed here
27 Oct 2026 06:23:31 UTC
Source terms
NIST NVD usage terms; underlying source attribution retained

Original source record · Cite this exact observation · Complete original publisher JSON

This view projects the publisher's source fields for reading; the original JSON retains additional fields and CVE enrichment containers. Attribution: nvd · NIST NVD usage terms; underlying source attribution retained. Source text is retained; field grouping and change labels are provided by ChangeIntel.

CVSS 3.1 · [email protected] · Secondary · 3.3 CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:N

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Sources last checked 1 Nov 11:28 UTC · 273 of 273 readable · 270 fully read · checking again after a restart · documentation 469/469 current

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