CVE-2025-29778— Kyverno ignores subjectRegExp and IssuerRegExp
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I. Basic Information for CVE-2025-29778
Vulnerability Information
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Vulnerability Title
Kyverno ignores subjectRegExp and IssuerRegExp
Source: NVD (National Vulnerability Database)
Vulnerability Description
Kyverno is a policy engine designed for cloud native platform engineering teams. Prior to version 1.14.0-alpha.1, Kyverno ignores subjectRegExp and IssuerRegExp while verifying artifact's sign with keyless mode. It allows the attacker to deploy kubernetes resources with the artifacts that were signed by unexpected certificate. Deploying these unauthorized kubernetes resources can lead to full compromise of kubernetes cluster. Version 1.14.0-alpha.1 contains a patch for the issue.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:N
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 1.14.0-alpha.1之前版本存在授权问题漏洞，该漏洞源于在无密钥模式下验证工件签名时忽略subjectRegExp和IssuerRegExp，可能导致部署未经授权的Kubernetes资源，从而完全控制Kubernetes集群。
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-2025-29778
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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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