High severity · published Mar 27, 2026
CVE-2026-34386
Fleet vulnerable to SQL injection in MDM bootstrap package by authenticated team or global admin
8.8
CVSS
0.3%
EPSS
No
On KEV
Description
Fleet is open source device management software. Prior to 4.81.0, a SQL injection vulnerability in Fleet's MDM bootstrap package configuration allows an authenticated user with Team Admin or Global Admin privileges to modify arbitrary team configurations, exfiltrate sensitive data from the Fleet database, and inject arbitrary content into team configs via direct API calls. Version 4.81.0 patches the issue.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 26% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FL
fleet · fleetdm
< 4.81.0 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-34386
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-34386
Vendor Advisory
https://github.com/fleetdm/fleet/security/advisories/GHSA-9p23-p2m4-2r4m
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