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CVE-2026-6383

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CVE-2026-6383

Published: Apr 15, 2026

Modified: Apr 15, 2026

PUBLISHED

CVSS v3.1

5.4

MEDIUM

Description

A flaw was found in KubeVirt's Role-Based Access Control (RBAC) evaluation logic. The authorization mechanism improperly truncates subresource names, leading to incorrect permission evaluations. This allows authenticated users with specific custom roles to gain unauthorized access to subresources, potentially disclosing sensitive information or performing actions they are not permitted to do. Additionally, legitimate users may be denied access to resources.

VendorProductVersions

Red Hat

Red Hat OpenShift Virtualization 4

All versions

Weaknesses (CWE)

CVSS v3.1 Details

CVSS v3.1 Vector

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

None

References

RHBZ#2458741
issue-tracking
x_refsource_REDHAT

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