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CVE-2026-71567— User-controlled variables inserted unescaped into shell scripts and Kubernetes manifests

Quick assessment

Affected
openshift-metal3 fakefish
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.

openshift-metal3 fakefish是openshift-metal3组织的一款面向服务器与网络环境的管理工具。 openshift-metal3 fakefish 28f9a6b及之前版本存在命令注入漏洞，该漏洞源于脚本中shell变量未加引号直接注入到命令行或清单中，主要涉及镜像URL和BMC凭据，可能导致命令注入。

CVSS 7.7 · High EPSS 0.34% · P26

Affected Version Matrix 2

VendorProduct Version RangeStatus
openshift-metal3 fakefish ≤ 28f9a6b affected
526550a unaffected
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I. Basic Information for CVE-2026-71567

Vulnerability Information
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Vulnerability Title
User-controlled variables inserted unescaped into shell scripts and Kubernetes manifests
Source: CVE Program / CVE List V5
Vulnerability Description
In openshift-metal3/fakefish there is a repeated pattern in some of the scripts where shell variables are injected without quoting them either into command lines or into manifests. This mostly applies to the Image URL and BMC credentials (which are not verified by FakeFish).
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
OS命令中使用的特殊元素转义处理不恰当(OS命令注入)
Source: CVE Program / CVE List V5
Vulnerability Title
openshift-metal3 fakefish 命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
openshift-metal3 fakefish是openshift-metal3组织的一款面向服务器与网络环境的管理工具。 openshift-metal3 fakefish 28f9a6b及之前版本存在命令注入漏洞，该漏洞源于脚本中shell变量未加引号直接注入到命令行或清单中，主要涉及镜像URL和BMC凭据，可能导致命令注入。
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
openshift-metal3 fakefish 0 ~ 28f9a6b -

II. Public POCs for CVE-2026-71567

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 7108 chars
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Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
In-depth vulnerability mechanism
Trigger conditions & impact
Full executable POC code
Exploit chain & mitigation
POC zip download
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III. Intelligence Information for CVE-2026-71567

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Vendor Advisories for CVE-2026-71567 (1)

IV. Related Vulnerabilities

Same product: fakefish
Same vendor: openshift-metal3
Same weakness: CWE-78

V. Comments for CVE-2026-71567

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