CVE-2026-24514— ingress-nginx Admission Controller denial of service
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存在安全漏洞，该漏洞源于验证准入控制器功能存在拒绝服务条件，可能导致内存消耗。
Possible ATT&CK Techniques 1 AI
T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2026-24514
Vulnerability Information
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Vulnerability Title
ingress-nginx Admission Controller denial of service
Source: CVE Program / CVE List V5
Vulnerability Description
A security issue was discovered in ingress-nginx where the validating admission controller feature is subject to a denial of service condition. By sending large requests to the validating admission controller, an attacker can cause memory consumption, which may result in the ingress-nginx controller pod being killed or the node running out of memory.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
不加限制或调节的资源分配
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，该漏洞源于验证准入控制器功能存在拒绝服务条件，可能导致内存消耗。
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 ~ 1.13.7 | - |
|
II. Public POCs for CVE-2026-24514
| # | POC Description | Source Link | Shenlong Link |
|---|---|---|---|
| 1 | None | https://github.com/mbanyamer/cve-2026-24514-Kubernetes-Dos | POC Details |
AI-Generated POC
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Same Patch Batch · Kubernetes · 2026-02-03 · 4 CVEs total
| CVE-2026-24512 | 8.8 HIGH | ingress-nginx auth-method nginx configuration injection |
| CVE-2026-1580 | 8.8 HIGH | ingress-nginx auth-method nginx configuration injection |
| CVE-2026-24513 | 3.1 LOW | ingress-nginx auth-url protection bypass |
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Same weakness: CWE-770
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V. Comments for CVE-2026-24514
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