Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2025-15566— ingress-nginx auth-proxy-set-headers nginx configuration injection

Quick assessment

Affected
Kubernetes ingress-nginx
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

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

CVSS 8.8 · High EPSS 0.50% · P40
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2025-15566

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
ingress-nginx auth-proxy-set-headers nginx configuration injection
Source: CVE Program / CVE List V5
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: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
输入验证不恰当
Source: CVE Program / CVE List V5
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
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2025-15566

请登录查看更多情报信息。

Vendor Advisories for CVE-2025-15566 (1)

IV. Related Vulnerabilities

Same product: ingress-nginx
Same vendor: Kubernetes
Same weakness: CWE-20

V. Comments for CVE-2025-15566

No comments yet

Leave a comment