CVE-2025-15566— ingress-nginx auth-proxy-set-headers nginx configuration injection
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I. Basic Information for CVE-2025-15566
Vulnerability Information
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Vulnerability Title
ingress-nginx auth-proxy-set-headers nginx configuration injection
Source: NVD (National Vulnerability Database)
Vulnerability Description
A security issue was discovered in ingress-nginx where the `nginx.ingress.kubernetes.io/auth-proxy-set-headers` Ingress annotation can be used to inject configuration into nginx. This can lead to arbitrary code execution in the context of the ingress-nginx controller, and disclosure of Secrets accessible to the controller. (Note that in the default installation, the controller can access all Secrets cluster-wide.)
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
输入验证不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
Kubernetes ingress-nginx 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Kubernetes ingress-nginx是云原生计算基金会（Cloud Native Computing Foundation）开源的Kubernetes 的入口控制器，使用NGINX作为反向代理和负载均衡器。 Kubernetes ingress-nginx存在安全漏洞，该漏洞源于nginx.ingress.kubernetes.io/auth-proxy-set-headers Ingress注解可用于向nginx注入配置，可能导致在ingress-nginx控制器环境中执行任意代码并泄露控制
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
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Kubernetes | ingress-nginx | 0 ~ 1.12.5 | - |
II. Public POCs for CVE-2025-15566
| # | POC Description | Source Link | Shenlong Link |
|---|
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IV. Related Vulnerabilities
Same product: ingress-nginx
- CVE-2026-4342
ingress-nginx comment-based nginx configuration injection - CVE-2026-3288
ingress-nginx rewrite-target nginx configuration injection - CVE-2026-24514
ingress-nginx Admission Controller denial of service - CVE-2026-24513
ingress-nginx auth-url protection bypass - CVE-2026-24512
ingress-nginx auth-method nginx configuration injection
Same vendor: Kubernetes
- CVE-2026-3864
CSI Driver for NFS path traversal via subDir may delete unin - CVE-2026-4342
ingress-nginx comment-based nginx configuration injection - CVE-2026-3288
ingress-nginx rewrite-target nginx configuration injection - CVE-2026-24514
ingress-nginx Admission Controller denial of service - CVE-2026-24513
ingress-nginx auth-url protection bypass
Same weakness: CWE-20
V. Comments for CVE-2025-15566
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