Incorrect Authorization Affecting virt-api-fips-1.8 package, versions <1.8.2-r0


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.03% (10th percentile)

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  • Snyk IDSNYK-CHAINGUARDLATEST-VIRTAPIFIPS18-16188974
  • published24 Apr 2026
  • disclosed15 Apr 2026

Introduced: 15 Apr 2026

NewCVE-2026-6383  (opens in a new tab)
CWE-863  (opens in a new tab)

How to fix?

Upgrade Chainguard virt-api-fips-1.8 to version 1.8.2-r0 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream virt-api-fips-1.8 package and not the virt-api-fips-1.8 package as distributed by Chainguard. See How to fix? for Chainguard relevant fixed versions and status.

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.

CVSS Base Scores

version 3.1