What is CVE-2026-65835?

CVE-2026-65835 is a medium-severity vulnerability in Projectcapsule Capsule, classified under Improper Privilege Management. CVSS score: 6.6/10. Published 2026-07-30.

How severe is CVE-2026-65835?

Medium severity. CVSS v3 base score is 6.6 out of 10.

Auth bypass in Projectcapsule Capsule

CVE-2026-65835

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.

Vulnerability class: Privilege Escalation

EPSS: 0.002 (9.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.6 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L.

Affected products

Projectcapsule Capsule — versions >= 0.13.0, < 0.13.8

Weakness classification (CWE)

References

security-advisories@github.com (x_refsource_MISC)
security-advisories@github.com (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2026-65835?: CVE-2026-65835 is a medium-severity vulnerability in Projectcapsule Capsule, classified under Improper Privilege Management. CVSS score: 6.6/10. Published 2026-07-30.
How severe is CVE-2026-65835?: Medium severity. CVSS v3 base score is 6.6 out of 10.