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CVE-2026-65835

6.6 · MEDIUM

Capsule is a multi-tenancy and policy-based framework for Kubernetes.

Published Jul 30, 2026CWE-269EPSS 0.33%

Overview

CVE-2026-65835 is a medium-severity vulnerability. It was published on July 30, 2026 and has a CVSS 3.1 base score of 6.6 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 6.6, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/projectcapsule/capsule/releases/tag/v0.13.8GitHubgithub.com/projectcapsule/capsule/security/advisories/GHSA-jr6p-8pjj-mfx6GitHubgithub.com/projectcapsule/capsule/security/advisories/GHSA-jr6p-8pjj-mfx6

How CyberStrike helps

Frequently asked questions

What is CVE-2026-65835?

CVE-2026-65835 is a medium-severity vulnerability. It was published on July 30, 2026 and has a CVSS 3.1 base score of 6.6 (MEDIUM).

How severe is CVE-2026-65835?

This vulnerability has a CVSS 3.1 base score of 6.6, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2026-65835?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-65835?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-65835 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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