{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-62440", "assignerOrgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09", "state": "PUBLISHED", "assignerShortName": "apache", "dateReserved": "2026-07-14T14:34:44.941Z", "datePublished": "2026-08-21T08:23:55.427Z", "dateUpdated": "2026-08-25T19:20:14.393Z" }, "containers": { "cna": { "affected": [ { "defaultStatus": "unaffected", "product": "Apache CloudStack", "vendor": "Apache Software Foundation", "versions": [ { "lessThanOrEqual": "4.22.1.0", "status": "affected", "version": "4.21.0.0", "versionType": "semver" } ] } ], "credits": [ { "lang": "en", "type": "reporter", "value": "George Chen (GitHub: geo-chen)" }, { "lang": "en", "type": "reporter", "value": "D0HY30N (GitHub: D0HY30N)" } ], "descriptions": [ { "lang": "en", "supportingMedia": [ { "base64": false, "type": "text/html", "value": "

Improper Access Control vulnerability in Apache CloudStack's Kubernetes Service (CKS) plugin, allowing cross-tenant manipulation of the Kubernetes cluster while adding and removing nodes.

This issue affects Apache CloudStack: from 4.21.0.0 through 4.22.1.0.

Users are recommended to upgrade to version 4.22.1.1 or later, which fixes the issue.

" } ], "value": "Improper Access Control vulnerability in Apache CloudStack's Kubernetes Service (CKS) plugin, allowing cross-tenant manipulation of the Kubernetes cluster while adding and removing nodes.\n\nThis issue affects Apache CloudStack: from 4.21.0.0 through 4.22.1.0.\n\nUsers are recommended to upgrade to version 4.22.1.1 or later, which fixes the issue." } ], "metrics": [ { "other": { "content": { "text": "important" }, "type": "Textual description of severity" } } ], "problemTypes": [ { "descriptions": [ { "cweId": "CWE-284", "description": "CWE-284 Improper Access Control", "lang": "en", "type": "CWE" } ] } ], "providerMetadata": { "orgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09", "shortName": "apache", "dateUpdated": "2026-08-21T08:23:55.427Z" }, "references": [ { "tags": [ "vendor-advisory" ], "url": "https://lists.apache.org/thread/g6cwddtjrwbh1d56wjz4cfp3fzfm4kbc" } ], "source": { "discovery": "UNKNOWN" }, "title": "Apache CloudStack: Improper access control in Kubernetes Service (CKS) cluster manipulation", "x_generator": { "engine": "Vulnogram 0.2.0" } }, "adp": [ { "metrics": [ { "cvssV3_1": { "scope": "UNCHANGED", "version": "3.1", "baseScore": 9.1, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH" } }, { "other": { "type": "ssvc", "content": { "timestamp": "2026-08-25T19:19:51.942736Z", "id": "CVE-2026-62440", "options": [ { "Exploitation": "none" }, { "Automatable": "yes" }, { "Technical Impact": "total" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-08-25T19:20:14.393Z" } } ] } }