{"id":"CVE-2026-62440","state":"PUBLISHED","title":"Apache CloudStack: Improper access control in Kubernetes Service (CKS) cluster manipulation","description":"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.","publishedAt":"2026-08-21T08:23:55.427Z","updatedAt":"2026-08-25T19:20:14.393Z","severity":{"score":9.1,"label":"Critical","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","source":"CISA-ADP"},"assigner":"apache","products":["Apache Software Foundation Apache CloudStack"],"affected":[{"vendor":"Apache Software Foundation","product":"Apache CloudStack","defaultStatus":"unaffected","versions":[{"version":"4.21.0.0","status":"affected","lessThanOrEqual":"4.22.1.0","versionType":"semver"}]}],"references":["https://lists.apache.org/thread/g6cwddtjrwbh1d56wjz4cfp3fzfm4kbc"],"weaknesses":["CWE-284"],"ingestedAt":"2026-10-29T20:12:32.778Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/62xxx/CVE-2026-62440.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-62440","state":"PUBLISHED","datePublished":"2026-08-21T08:23:55.427Z","dateUpdated":"2026-08-25T19:20:14.393Z","assignerShortName":"apache","assignerOrgId":"f0158376-9dc2-43b6-827c-5f631a4d8d09","dateReserved":"2026-07-14T14:34:44.941Z"},"containers":{"cna":{"title":"Apache CloudStack: Improper access control in Kubernetes Service (CKS) cluster manipulation","descriptions":[{"lang":"en","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."}],"affected":[{"vendor":"Apache Software Foundation","product":"Apache CloudStack","defaultStatus":"unaffected","versions":[{"version":"4.21.0.0","status":"affected","lessThanOrEqual":"4.22.1.0","versionType":"semver"}]}],"references":[{"url":"https://lists.apache.org/thread/g6cwddtjrwbh1d56wjz4cfp3fzfm4kbc","tags":["vendor-advisory"]}],"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":{"shortName":"apache","orgId":"f0158376-9dc2-43b6-827c-5f631a4d8d09","dateUpdated":"2026-08-21T08:23:55.427Z"},"credits":[{"lang":"en","type":"reporter","value":"George Chen (GitHub: geo-chen)"},{"lang":"en","type":"reporter","value":"D0HY30N (GitHub: D0HY30N)"}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 0.2.0"}},"adp":[{"title":"CISA ADP Vulnrichment","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"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-08-25T19:20:14.393Z"}}]}}}