{"id":23130,"date":"2026-09-16T00:31:22","date_gmt":"2026-09-15T16:31:22","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-55636"},"modified":"2026-09-16T00:31:22","modified_gmt":"2026-09-15T16:31:22","slug":"cve-2026-55636","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-55636","title":{"rendered":"CVE-2026-55636 [MEDIUM] &#8211; Capsule is a multi-tenancy and policy-based framework for Kubernetes. From 0.13.0 until 0."},"content":{"rendered":"<p>Capsule is a multi-tenancy and policy-based framework for Kubernetes. From 0.13.0 until 0.13.6, charts\/capsule\/templates\/configuration.yaml configures the validating webhook with namespace\/finalize instead of the Kubernetes resource name namespaces\/finalize. A user with namespaces\/finalize RBAC can send a PUT request to \/api\/v1\/namespaces\/{namespace}\/finalize, and the singular rule never matches the plural resource, so the validating webhook is not invoked and the user can change the namespace tenant label. matchPolicy: Equivalent does not compensate because it handles API group and version equivalence rather than resource-name errors. This vulnerability is fixed in 0.13.6.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Capsule is a multi-tenancy and policy-based framework for Kubernetes. From 0.13.0 until 0.13.6, charts\/capsule\/templates\/configuration.yaml configures the validating webhook with namespace\/finalize in<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-23130","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/23130","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln"}],"about":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/types\/vuln"}],"wp:attachment":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=23130"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=23130"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=23130"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}