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CVE-2026-26061— Fleet's unbounded request body read allows remote Denial of Service

EPSS 0.06% · P20
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I. Basic Information for CVE-2026-26061

Vulnerability Information
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Vulnerability Title
Fleet's unbounded request body read allows remote Denial of Service
Source: NVD (National Vulnerability Database)
Vulnerability Description
Fleet is open source device management software. Prior to 4.81.0, Fleet contained multiple unauthenticated HTTP endpoints that read request bodies without enforcing a size limit. An unauthenticated attacker could exploit this behavior by sending large or repeated HTTP payloads, causing excessive memory allocation and resulting in a denial-of-service (DoS) condition. Version 4.81.0 patches the issue.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
不加限制或调节的资源分配
Source: NVD (National Vulnerability Database)
Vulnerability Title
Fleet 安全漏洞
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 4.81.0之前版本存在安全漏洞，该漏洞源于多个未经验证的HTTP端点未限制请求体大小，可能导致拒绝服务攻击。
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 < 4.81.0 -

II. Public POCs for CVE-2026-26061

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III. Intelligence Information for CVE-2026-26061

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

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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-2026-34387Fleet vulnerable to OS command injection via crafted software package metadata in uninstal
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-770

V. Comments for CVE-2026-26061

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