{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-2270","assignerOrgId":"a6081bf6-c852-4425-ad4f-a67919267565","state":"PUBLISHED","assignerShortName":"kubernetes","dateReserved":"2026-02-10T03:58:54.680Z","datePublished":"2026-10-26T22:30:02.445Z","dateUpdated":"2026-10-29T10:45:47.863Z"},"containers":{"cna":{"providerMetadata":{"orgId":"a6081bf6-c852-4425-ad4f-a67919267565","shortName":"kubernetes","dateUpdated":"2026-10-26T22:30:02.445Z"},"title":"StatefulSet and ControllerRevision write permissions allow cross-namespace pod creation","problemTypes":[{"descriptions":[{"lang":"en","cweId":"CWE-639","description":"CWE-639 Authorization Bypass Through User-Controlled Key","type":"CWE"}]}],"impacts":[{"capecId":"CAPEC-122","descriptions":[{"lang":"en","value":"CAPEC-122 Privilege Abuse"}]}],"affected":[{"vendor":"Kubernetes","product":"Kubernetes","versions":[{"status":"affected","version":"v1.34.0","lessThanOrEqual":"v1.34.11","versionType":"custom"},{"status":"affected","version":"v1.35.0","lessThanOrEqual":"v1.35.8","versionType":"custom"},{"status":"affected","version":"v1.36.0","lessThanOrEqual":"v1.36.4","versionType":"custom"},{"status":"affected","version":"v1.37.0","lessThanOrEqual":"v1.37.0","versionType":"custom"}],"defaultStatus":"unaffected"}],"descriptions":[{"lang":"en","value":"A confused deputy attack exists in the StatefulSet controller that allows a user with namespace-scoped write permissions on StatefulSet and ControllerRevision objects to create a cross-namespace pod. An attacker exploiting this vulnerability would have full control over the resulting pod’s metadata and specification, including namespace selection. Note that the cross-namespace pod will be immediately deleted by the garbage collector unless the attacker is able to construct a valid StatefulSet OwnerReference. This would require referencing the UID of an existing StatefulSet in the victim’s namespace.","supportingMedia":[{"type":"text/html","base64":false,"value":"A confused deputy attack exists in the StatefulSet controller that allows a user with namespace-scoped write permissions on StatefulSet and ControllerRevision objects to create a cross-namespace pod. An attacker exploiting this vulnerability would have full control over the resulting pod’s metadata and specification, including namespace selection. Note that the cross-namespace pod will be immediately deleted by the garbage collector unless the attacker is able to construct a valid StatefulSet OwnerReference. This would require referencing the UID of an existing StatefulSet in the victim’s namespace."}]}],"references":[{"url":"https://github.com/kubernetes/kubernetes/issues/142097","tags":["issue-tracking"]},{"url":"https://groups.google.com/g/kubernetes-security-announce/c/wv0iV-Rcmj4","tags":["mailing-list"]}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"HIGH","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"NONE","baseSeverity":"MEDIUM","baseScore":5.9,"vectorString":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:N"}}],"solutions":[{"lang":"en","value":"To mitigate this vulnerability, upgrade Kubernetes: https://kubernetes.io/docs/tasks/administer-cluster/cluster-upgrade/","supportingMedia":[{"type":"text/html","base64":false,"value":"To mitigate this vulnerability, upgrade Kubernetes: <a target=\"_blank\" rel=\"nofollow\" href=\"https://kubernetes.io/docs/tasks/administer-cluster/cluster-upgrade/\">https://kubernetes.io/docs/tasks/administer-cluster/cluster-upgrade/</a><br>"}]}],"credits":[{"lang":"en","value":"ImanOracle","type":"finder"}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 0.5.0"}},"adp":[{"title":"CVE Program Container","references":[{"url":"http://www.openwall.com/lists/oss-security/2026/09/23/35"}],"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2026-10-26T23:10:06.624Z"}},{"metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2026-2270","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"version":"2.0.3","timestamp":"2026-10-29T03:56:58.054518Z"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-10-29T10:45:47.863Z"}}]}}