CVE-2024-48921— Kyverno's PolicyException objects can be created in any namespace by default
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I. Basic Information for CVE-2024-48921
Vulnerability Information
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Vulnerability Title
Kyverno's PolicyException objects can be created in any namespace by default
Source: NVD (National Vulnerability Database)
Vulnerability Description
Kyverno is a policy engine designed for Kubernetes. A kyverno ClusterPolicy, ie. "disallow-privileged-containers," can be overridden by the creation of a PolicyException in a random namespace. By design, PolicyExceptions are consumed from any namespace. Administrators may not recognize that this allows users with privileges to non-kyverno namespaces to create exceptions. This vulnerability is fixed in 1.13.0.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
授权机制不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
Kyverno 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Kyverno是Kyverno开源的一个为 Kubernetes 设计的策略引擎。 Kyverno 1.13.0版本之前存在授权问题漏洞，该漏洞源于kyverno ClusterPolicy，可以通过在随机命名空间中创建 PolicyException 来覆盖。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2024-48921
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IV. Related Vulnerabilities
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CVE-2026-4789
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CVE-2026-4789
Same weakness: CWE-285
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