CVE-2026-65835

MEDIUM

Capsule >= 0.13.0, < 0.13.8 - Cross-Tenant Cluster-Scoped Resource Creation

Title source: manual

Description

Capsule is a multi-tenancy and policy-based framework for Kubernetes. From 0.13.0 until 0.13.8, after the incomplete CVE-2026-22872 fix, TenantResource RawItems and Generators in internal/controllers/resources/collect.go, including handleRawItem and handleGeneratorItem, did not apply the ResourceReference.LoadResources and IsNamespacedGVK cluster-scoped resource rejection guard used by NamespacedItems, allowing a Tenant Owner to create cluster-scoped resources such as ClusterRole or ValidatingWebhookConfiguration through the cluster-admin controller client. This issue is fixed in version 0.13.8.

References (2)

Core 2

Core References

X_Refsource_Confirm x_refsource_confirm

https://github.com/projectcapsule/capsule/security/advisories/GHSA-jr6p-8pjj-mfx6

X_Refsource_Misc x_refsource_misc

https://github.com/projectcapsule/capsule/releases/tag/v0.13.8

Scores

CVSS v3 6.6

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L

Details

CWE

CWE-269 CWE-863

Status published

Products (1)

projectcapsule/capsule >= 0.13.0, < 0.13.8

Published Jul 30, 2026

Tracked Since Jul 31, 2026