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CVE-2026-34387— Fleet vulnerable to OS command injection via crafted software package metadata in uninstall scripts

EPSS 0.12% · P31
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I. Basic Information for CVE-2026-34387

Vulnerability Information
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Vulnerability Title
Fleet vulnerable to OS command injection via crafted software package metadata in uninstall scripts
Source: NVD (National Vulnerability Database)
Vulnerability Description
Fleet is open source device management software. Prior to 4.81.1, a command injection vulnerability in Fleet's software installer pipeline allows an attacker to achieve arbitrary code execution as root (macOS/Linux) or SYSTEM (Windows) on managed hosts when an uninstall is triggered for a crafted software package. Version 4.81.1 patches the issue.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
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: NVD (National Vulnerability Database)
Vulnerability Title
Fleet 操作系统命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Fleet是Fleet Device Management开源的一个设备管理平台，支持多种操作系统和设备，帮助 IT 和安全团队进行设备管理、漏洞报告、MDM 等操作。 Fleet 4.81.1之前版本存在操作系统命令注入漏洞，该漏洞源于软件安装程序管道存在命令注入，可能导致在受管主机上以root或SYSTEM权限执行任意代码。
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

VendorProductAffected VersionsCPESubscribe
fleetdmfleet < 4.81.1 -

II. Public POCs for CVE-2026-34387

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III. Intelligence Information for CVE-2026-34387

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Same Patch Batch · fleetdm · 2026-03-27 · 9 CVEs total

CVE-2026-26061Fleet's unbounded request body read allows remote Denial of Service
CVE-2026-26060Fleet: Password reset tokens remain valid after password change for 24 hours
CVE-2026-29180Fleet's team maintainer can transfer hosts from any team via missing source team authoriza
CVE-2026-34386Fleet vulnerable to SQL injection in MDM bootstrap package by authenticated team or globa
CVE-2026-34385Fleet's Apple MDM profile delivery has second-order SQL injection that can compromise the
CVE-2026-34388Fleet vulnerable to Denial of Service via unhandled gRPC log type in launcher endpoint
CVE-2026-34391Fleet Vulnerable to Windows MDM cross-device command disclosure
CVE-2026-34389Fleet's user account creation via invite does not enforce invited email address

IV. Related Vulnerabilities

Same product: fleet
Same vendor: fleetdm
Same weakness: CWE-78

V. Comments for CVE-2026-34387

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