CVE-2026-34387
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.
- Affected products
- Fleet
- Fleetdm Fleet
- < 4.81.1
- Fix
- Available
- CVSS 3.1
- 9.8 CRITICAL
- EPSS
- 1.3% (67th percentile)
- Weakness
- CWE-78
- NVD status
- Analyzed
- Published
- 2026-03-27
CVE-2026-34387 at NVD
No indexed exploits for CVE-2026-34387 yet
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No exploit for CVE-2026-34387 has been indexed yet. Our index is built from live traffic and upstream syncs, so this page can only say what it knows — not that no exploit exists.