CVE•Published 2026-03-27•Modified 2026-04-07•1 article on news•6 live references•NVD data
CVE-2026-34387Fleetdm · Fleet
Vulnerability data via NVD (ingested)
CVSS v3.1
9.8
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS percentile
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Weaknesses (CWE)
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.
Timeline
Published 2026-03-27
Modified 2026-04-07
External references
Search for exposed instances
Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).
Shodan · vuln tag0 hosts
vuln:CVE-2026-34387Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · product
product:"Fleetdm Fleet"All exposed Fleetdm Fleet instances — cross-reference with the CVE's affected-version range.
Shodan · banner/body mention
http.html:"Fleet"HTTP body or banner mentions "Fleet" — catches deploys Shodan didn't identify as a product.
More intel sources (5)
Shodan report
vuln:CVE-2026-34387Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-34387Censys host search filtered to this CVE id.
grep.app
CVE-2026-34387Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-34387GitHub code search for direct mentions.
Google dork
"CVE-2026-34387" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub
No public proof-of-concept repositories found for CVE-2026-34387 on GitHub.