CVE-2022-4886— Ingress-nginx `path` sanitization can be bypassed with `log_format` directive
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I. Basic Information for CVE-2022-4886
Vulnerability Information
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Vulnerability Title
Ingress-nginx `path` sanitization can be bypassed with `log_format` directive
Source: NVD (National Vulnerability Database)
Vulnerability Description
Ingress-nginx `path` sanitization can be bypassed with `log_format` directive.
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
Ingress-nginx 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Ingres是美国加利福尼亚大学柏克莱分校大学的一款数据库系统。 Ingress-nginx存在安全漏洞，该漏洞源于可以使用log_format指令绕过path清理。
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 ~ 1.8.0 | - |
II. Public POCs for CVE-2022-4886
| # | POC Description | Source Link | Shenlong Link |
|---|
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- https://github.com/kubernetes/ingress-nginx/issues/10570issue-tracking
- https://nvd.nist.gov/vuln/detail/CVE-2022-4886
Same Patch Batch · Kubernetes · 2023-10-25 · 3 CVEs total
| CVE-2023-5044 | 7.6 HIGH | Code injection via nginx.ingress.kubernetes.io/permanent-redirect annotation |
| CVE-2023-5043 | 7.6 HIGH | Ingress nginx annotation injection causes arbitrary command execution |
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-2025-15566
ingress-nginx auth-proxy-set-headers nginx configuration inj - CVE-2026-24514
ingress-nginx Admission Controller denial of service - CVE-2026-24513
ingress-nginx auth-url protection bypass
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-2025-15566
ingress-nginx auth-proxy-set-headers nginx configuration inj - CVE-2026-24514
ingress-nginx Admission Controller denial of service
Same weakness: CWE-20
V. Comments for CVE-2022-4886
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