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    <lastBuildDate>Wed, 07 Oct 2026 11:11:27 +0000</lastBuildDate>
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      <title>CVE-2026-21727 — Grafana Correlations: Cross-Tenant Data Disclosure and Permanent Deletion via Legacy org_id=0 Record</title>
      <link>https://vulnerability.circl.lu/vuln/cve-2026-21727</link>
      <description>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; Grafana Correlations&lt;/p&gt;
&lt;p&gt;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 &amp;gt;=11.6.11, &amp;gt;=12.0.9, &amp;gt;=12.1.6, and &amp;gt;=12.2.4.&lt;/p&gt;
&lt;p&gt;Thanks to Gyu-hyeok Lee (g2h) for reporting this vulnerability.&lt;/p&gt;</description>
      <content:encoded>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; Grafana Correlations&lt;/p&gt;
&lt;p&gt;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 &amp;gt;=11.6.11, &amp;gt;=12.0.9, &amp;gt;=12.1.6, and &amp;gt;=12.2.4.&lt;/p&gt;
&lt;p&gt;Thanks to Gyu-hyeok Lee (g2h) for reporting this vulnerability.&lt;/p&gt;</content:encoded>
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