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CVE-2025-24514— ingress-nginx controller - configuration injection via unsanitized auth-url annotation

Quick assessment

Affected
kubernetes ingress-nginx
Exploitation
Public or AI PoC available; prioritize validation
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存在输入验证错误漏洞，该漏洞源于任意代码执行，可能导致信息泄露。

CVSS 8.8 · High EPSS 30.45% · P98
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I. Basic Information for CVE-2025-24514

Vulnerability Information
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Vulnerability Title
ingress-nginx controller - configuration injection via unsanitized auth-url annotation
Source: CVE Program / CVE List V5
Vulnerability Description
A security issue was discovered in ingress-nginx https://github.com/kubernetes/ingress-nginx where the `auth-url` 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 输入验证错误漏洞
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存在输入验证错误漏洞，该漏洞源于任意代码执行，可能导致信息泄露。
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 ~ 1.11.4 -

II. Public POCs for CVE-2025-24514

# POC Description Source Link Shenlong Link
1 A security issue was discovered in ingress-nginx https-//github.com/kubernetes/ingress-nginx where the `auth-url` 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.) https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2025/CVE-2025-24514.yaml POC Details
2 None https://github.com/KimJuhyeong95/cve-2025-24514 POC Details
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III. Intelligence Information for CVE-2025-24514

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Other References for CVE-2025-24514 (1)

Same Patch Batch · kubernetes · 2025-03-24 · 5 CVEs total

CVE-2025-1974 9.8 CRITICAL ingress-nginx admission controller RCE escalation
CVE-2025-1098 8.8 HIGH ingress-nginx controller - configuration injection via unsanitized mirror annotations
CVE-2025-1097 8.8 HIGH ingress-nginx controller - configuration injection via unsanitized auth-tls-match-cn annot
CVE-2025-24513 4.8 MEDIUM ingress-nginx controller - auth secret file path traversal vulnerability

IV. Related Vulnerabilities

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

V. Comments for CVE-2025-24514

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