CVE-2019-11251— kubectl cp allows symlink directory traversal
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I. Basic Information for CVE-2019-11251
Vulnerability Information
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Vulnerability Title
kubectl cp allows symlink directory traversal
Source: NVD (National Vulnerability Database)
Vulnerability Description
The Kubernetes kubectl cp command in versions 1.1-1.12, and versions prior to 1.13.11, 1.14.7, and 1.15.4 allows a combination of two symlinks provided by tar output of a malicious container to place a file outside of the destination directory specified in the kubectl cp invocation. This could be used to allow an attacker to place a nefarious file using a symlink, outside of the destination tree.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:H/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
CWE-61
Source: NVD (National Vulnerability Database)
Vulnerability Title
Google Kubernetes 后置链接漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Google Kubernetes是美国谷歌（Google）公司的一套开源的Docker容器集群管理系统。该系统为容器化的应用提供资源调度、部署运行、服务发现和扩容缩容等功能。 Google Kubernetes中存在安全漏洞。攻击者可利用该漏洞编写任意文件。
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 | Kubernetes | prior to 1.13.11 | - |
II. Public POCs for CVE-2019-11251
| # | POC Description | Source Link | Shenlong Link |
|---|
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- https://github.com/kubernetes/kubernetes/issues/87773x_refsource_CONFIRM
- https://groups.google.com/d/msg/kubernetes-announce/YYtEFdFimZ4/nZnOezZuBgAJmailing-listx_refsource_MLIST
- https://nvd.nist.gov/vuln/detail/CVE-2019-11251
IV. Related Vulnerabilities
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ingress-nginx auth-proxy-set-headers nginx configuration inj - CVE-2026-24514
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Same weakness: CWE-61
- CVE-2026-29203
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OpenClaw 2026.3.22 < 2026.4.5 - Symlink Traversal in Remote
V. Comments for CVE-2019-11251
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