GHSA-F94Q-W3W8-CJ67 Capsule: hostnameRegexHandler.OnUpdate validates stale (old) Tenant regex, allowing invalid AllowedHostnames regex to bypass webhook validation

Summary A parameter order bug in internal/webhook/tenant/validation/hostnameregex.go causes the hostnameRegexHandler.OnUpdate webhook to validate the old Tenant object's AllowedHostnames.Regex instead of the new one being submitted. This allows an invalid malformed regex to bypass admission...

Capsule: hostnameRegexHandler.OnUpdate validates stale (old) Tenant regex, allowing invalid AllowedHostnames regex to bypass webhook validation

Summary A parameter order bug in internal/webhook/tenant/validation/hostnameregex.go causes the hostnameRegexHandler.OnUpdate webhook to validate the old Tenant object's AllowedHostnames.Regex instead of the new one being submitted. This allows an invalid malformed regex to bypass admission...

GHSA-GJW4-3V3V-RQXG Capsule: Tenant owner bypasses Capsule's forbidden namespace/service/node label and annotation enforcement

Summary Capsule lets a cluster administrator forbid specific metadata keys that tenant owners must not place on their own resources: Tenant.spec.namespaceOptions.forbiddenLabels / forbiddenAnnotations namespaces, Tenant.spec.serviceOptions.forbiddenLabels / forbiddenAnnotations Services, and the...

Capsule: Tenant owner bypasses Capsule's forbidden namespace/service/node label and annotation enforcement

Summary Capsule lets a cluster administrator forbid specific metadata keys that tenant owners must not place on their own resources: Tenant.spec.namespaceOptions.forbiddenLabels / forbiddenAnnotations namespaces, Tenant.spec.serviceOptions.forbiddenLabels / forbiddenAnnotations Services, and the...

Capsule: Malformed ForbiddenAnnotations.Regex can bypass Tenant validation and trigger namespace admission panic

Summary A validation bug in internal/webhook/tenant/validation/forbiddenannotationsregex.go allows an invalid ForbiddenAnnotations.Regex value to bypass Tenant admission on update. The webhook compiles ForbiddenLabels.Regex for both labels and annotations, so a malformed annotations regex can be...

GHSA-GXJC-74V5-3VX3 Capsule: Malformed ForbiddenAnnotations.Regex can bypass Tenant validation and trigger namespace admission panic

Summary A validation bug in internal/webhook/tenant/validation/forbiddenannotationsregex.go allows an invalid ForbiddenAnnotations.Regex value to bypass Tenant admission on update. The webhook compiles ForbiddenLabels.Regex for both labels and annotations, so a malformed annotations regex can be...

CVE-2026-61795

Capsule , a multi-tenancy and policy-based framework for Kubernetes, is affected in versions 0.13.0 through 0.13.7 . The root cause lies in hostnameRegexHandler.OnUpdate (internal/webhook/tenant/validation/hostname_regex.go), which reverses the new and old Tenant parameters , causing the webhook ...

CVE-2026-61795 Capsule: hostnameRegexHandler.OnUpdate validates stale (old) Tenant regex, allowing invalid AllowedHostnames regex to bypass webhook validation

Capsule is a multi-tenancy and policy-based framework for Kubernetes. From 0.13.0 until 0.13.7, hostnameRegexHandler.OnUpdate in internal/webhook/tenant/validation/hostnameregex.go reverses the new and old Tenant parameters and validates the previous AllowedHostnames.Regex instead of the submitte...

CVE-2026-61795 Capsule: hostnameRegexHandler.OnUpdate validates stale (old) Tenant regex, allowing invalid AllowedHostnames regex to bypass webhook validation

Capsule is a multi-tenancy and policy-based framework for Kubernetes. From 0.13.0 until 0.13.7, hostnameRegexHandler.OnUpdate in internal/webhook/tenant/validation/hostnameregex.go reverses the new and old Tenant parameters and validates the previous AllowedHostnames.Regex instead of the submitte...

CVE-2026-61795 Capsule: hostnameRegexHandler.OnUpdate validates stale (old) Tenant regex, allowing invalid AllowedHostnames regex to bypass webhook validation

Capsule is a multi-tenancy and policy-based framework for Kubernetes. From 0.13.0 until 0.13.7, hostnameRegexHandler.OnUpdate in internal/webhook/tenant/validation/hostnameregex.go reverses the new and old Tenant parameters and validates the previous AllowedHostnames.Regex instead of the submitte...

CVE-2026-61672

Capsule is a multi-tenancy and policy-based framework for Kubernetes. Prior to 0.13.7 , the ForbiddenListSpec.ExactMatch function in pkg/api/forbidden_list.go sorts denied metadata keys case-insensitively but then calls sort.SearchStrings, which assumes byte-order sorting. When an administrator's...

CVE-2026-61672 Capsule: Tenant owner bypasses Capsule's forbidden namespace/service/node label and annotation enforcement

Capsule is a multi-tenancy and policy-based framework for Kubernetes. Prior to 0.13.7, ForbiddenListSpec.ExactMatch in pkg/api/forbiddenlist.go sorts denied metadata keys case-insensitively and then uses sort.SearchStrings, which assumes byte-order sorting. When an administrator's forbidden list...

CVE-2026-61672 Capsule: Tenant owner bypasses Capsule's forbidden namespace/service/node label and annotation enforcement

Capsule is a multi-tenancy and policy-based framework for Kubernetes. Prior to 0.13.7, ForbiddenListSpec.ExactMatch in pkg/api/forbiddenlist.go sorts denied metadata keys case-insensitively and then uses sort.SearchStrings, which assumes byte-order sorting. When an administrator's forbidden list...

CVE-2026-61672 Capsule: Tenant owner bypasses Capsule's forbidden namespace/service/node label and annotation enforcement

Capsule is a multi-tenancy and policy-based framework for Kubernetes. Prior to 0.13.7, ForbiddenListSpec.ExactMatch in pkg/api/forbiddenlist.go sorts denied metadata keys case-insensitively and then uses sort.SearchStrings, which assumes byte-order sorting. When an administrator's forbidden list...

EUVD-2026-83164

Capsule is a multi-tenancy and policy-based framework for Kubernetes. Prior to 0.13.7, ForbiddenListSpec.ExactMatch in pkg/api/forbiddenlist.go sorts denied metadata keys case-insensitively and then uses sort.SearchStrings, which assumes byte-order sorting. When an administrator's forbidden list...

CVE-2026-61794 Capsule: Malformed ForbiddenAnnotations.Regex can bypass Tenant validation and trigger namespace admission panic

Capsule is a multi-tenancy and policy-based framework for Kubernetes. From 0.13.0 until 0.13.7, the Tenant update validation in internal/webhook/tenant/validation/forbiddenannotationsregex.go compiles ForbiddenLabels.Regex for both the labels and annotations checks instead of validating...

CVE-2026-61794 Capsule: Malformed ForbiddenAnnotations.Regex can bypass Tenant validation and trigger namespace admission panic

Capsule is a multi-tenancy and policy-based framework for Kubernetes. From 0.13.0 until 0.13.7, the Tenant update validation in internal/webhook/tenant/validation/forbiddenannotationsregex.go compiles ForbiddenLabels.Regex for both the labels and annotations checks instead of validating...

CVE-2026-61794

Capsule , a multi-tenancy and policy-based framework for Kubernetes, is affected in versions 0.13.0 through 0.13.7 by a validation logic error. The Tenant update validation in forbidden_annotations_regex.go compiles ForbiddenLabels.Regex for both the labels and annotations checks instead of valid...

CVE-2026-61794 Capsule: Malformed ForbiddenAnnotations.Regex can bypass Tenant validation and trigger namespace admission panic

Capsule is a multi-tenancy and policy-based framework for Kubernetes. From 0.13.0 until 0.13.7, the Tenant update validation in internal/webhook/tenant/validation/forbiddenannotationsregex.go compiles ForbiddenLabels.Regex for both the labels and annotations checks instead of validating...

EUVD-2026-83055

Capsule is a multi-tenancy and policy-based framework for Kubernetes. From 0.13.0 until 0.13.7, the Tenant update validation in internal/webhook/tenant/validation/forbiddenannotationsregex.go compiles ForbiddenLabels.Regex for both the labels and annotations checks instead of validating...