CVE-2024-39690

Capsule tenant owner with "patch namespace" permission can hijack system namespaces

Published Aug 20, 2024 CVSS 3.1 · 8.5 High EPSS < 1% KEV · Not listed
Description
Capsule is a multi-tenancy and policy-based framework for Kubernetes. In Capsule v0.7.0 and earlier, the tenant-owner can patch any arbitrary namespace that has not been taken over by a tenant (i.e., namespaces without the ownerReference field), thereby gaining control of that namespace. Version 0.7.1 contains a patch.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2024-2618 Capsule is a multi-tenancy and policy-based framework for Kubernetes. In Capsule v0.7.0 and earlier, the tenant-owner can patch any arbitrary namespace that has not been taken over by a tenant (i.e., namespaces without the ownerReference field), thereby gaining control of that namespace. Version 0.7.1 contains a patch.
Github GHSA Github GHSA GHSA-mq69-4j5w-3qwp Capsule tenant owner with "patch namespace" permission can hijack system namespaces
History
Type Values Removed Values Added
Description Capsule is a multi-tenancy and policy-based framework for Kubernetes. In Capsule v0.7.0 and earlier, the tenant-owner can patch any arbitrary namespace that has not been taken over by a tenant (i.e., namespaces without the ownerReference field), thereby gaining control of that namespace. Capsule is a multi-tenancy and policy-based framework for Kubernetes. In Capsule v0.7.0 and earlier, the tenant-owner can patch any arbitrary namespace that has not been taken over by a tenant (i.e., namespaces without the ownerReference field), thereby gaining control of that namespace. Version 0.7.1 contains a patch.
Type Values Removed Values Added
First Time appeared Projectcapsule
Projectcapsule capsule
CPEs cpe:2.3:a:projectcapsule:capsule:*:*:*:*:*:*:*:*
Vendors & Products Projectcapsule
Projectcapsule capsule
Type Values Removed Values Added
First Time appeared Clastix
Clastix capsule
CPEs cpe:2.3:a:clastix:capsule:*:*:*:*:*:*:*:*
Vendors & Products Clastix
Clastix capsule
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Capsule is a multi-tenancy and policy-based framework for Kubernetes. In Capsule v0.7.0 and earlier, the tenant-owner can patch any arbitrary namespace that has not been taken over by a tenant (i.e., namespaces without the ownerReference field), thereby gaining control of that namespace.
Title Capsule tenant owner with "patch namespace" permission can hijack system namespaces
Weaknesses CWE-863
References
Metrics cvssV3_1

{'score': 8.5, 'vector': 'CVSS:3.1/AV:A/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
GitHub_M
Published
Updated
Aug 14, 2025, 1:32 PM
Reserved
Jun 27, 2024, 6:44 PM
Status
Modified
Published
Aug 20, 2024, 3:15 PM
Modified
Jun 17, 2026, 7:42 AM