CVE-2026-34387

EUVD-2026-16758
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.
OS Command Injection
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 31%
Affected Products (NVD)
VendorProductVersion
fleetdmfleet
𝑥
< 4.81.1
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://github.com/fleetdm/fleet/security/advisories/GHSA-7rhw-5mpv-gp4h