{"id":"CVE-2026-62246","state":"PUBLISHED","title":"Kamaji: TenantControlPlane namespace/name collision binds two tenants to the same SQL datastore schema + DB user, breaking per-tenant isolation","description":"Kamaji is the Hosted Control Plane Manager for Kubernetes. Prior to 26.7.4-edge, Kamaji derives a TenantControlPlane datastore schema, database user, and etcd key prefix from a lossy namespace-and-name normalization in GetDefaultDatastoreSchema() and GetDefaultDatastoreUsername(), allowing distinct tenants with colliding normalized identifiers to share control-plane state and read, modify, or destroy another tenant's Kubernetes data. This issue is fixed in version 26.7.4-edge.","publishedAt":"2026-07-30T21:06:14.556Z","updatedAt":"2026-07-31T23:12:53.619Z","severity":{"score":8.5,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H","source":"GitHub_M"},"assigner":"GitHub_M","products":["clastix kamaji"],"affected":[{"vendor":"clastix","product":"kamaji","versions":[{"version":"< 26.7.4-edge","status":"affected"}]}],"references":["https://github.com/clastix/kamaji/security/advisories/GHSA-4f3f-65vx-r34f","https://github.com/clastix/kamaji/commit/4232a9df7ccd08075c26191f59566202042543a9"],"weaknesses":["CWE-284","CWE-653"],"ingestedAt":"2026-10-29T20:12:32.778Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/62xxx/CVE-2026-62246.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-62246","state":"PUBLISHED","datePublished":"2026-07-30T21:06:14.556Z","dateUpdated":"2026-07-31T23:12:53.619Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-07-13T17:09:57.573Z"},"containers":{"cna":{"title":"Kamaji: TenantControlPlane namespace/name collision binds two tenants to the same SQL datastore schema + DB user, breaking per-tenant isolation","descriptions":[{"lang":"en","value":"Kamaji is the Hosted Control Plane Manager for Kubernetes. Prior to 26.7.4-edge, Kamaji derives a TenantControlPlane datastore schema, database user, and etcd key prefix from a lossy namespace-and-name normalization in GetDefaultDatastoreSchema() and GetDefaultDatastoreUsername(), allowing distinct tenants with colliding normalized identifiers to share control-plane state and read, modify, or destroy another tenant's Kubernetes data. This issue is fixed in version 26.7.4-edge."}],"affected":[{"vendor":"clastix","product":"kamaji","versions":[{"version":"< 26.7.4-edge","status":"affected"}]}],"references":[{"url":"https://github.com/clastix/kamaji/security/advisories/GHSA-4f3f-65vx-r34f","name":"https://github.com/clastix/kamaji/security/advisories/GHSA-4f3f-65vx-r34f","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/clastix/kamaji/commit/4232a9df7ccd08075c26191f59566202042543a9","name":"https://github.com/clastix/kamaji/commit/4232a9df7ccd08075c26191f59566202042543a9","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":8.5,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-284","lang":"en","description":"CWE-284: Improper Access Control","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-653","lang":"en","description":"CWE-653: Improper Isolation or Compartmentalization","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-07-30T21:06:14.556Z"},"source":{"advisory":"GHSA-4f3f-65vx-r34f","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","references":[{"url":"https://github.com/clastix/kamaji/security/advisories/GHSA-4f3f-65vx-r34f","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-07-31T23:12:25.590705Z","id":"CVE-2026-62246","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-07-31T23:12:53.619Z"}}]}}}