CVE-2026-101045 Fleet - Command Injection

Fleet-maintained app install and uninstall scripts for macOS generated before 2026-08-19 contain a command injection caused by incomplete escaping of Homebrew cask metadata in script interpolation, letting attackers achieve arbitrary root command execution on managed macOS hosts, exploit requires crafted metadata passing upstream and Fleet reviews.

CVSS base score 8.0 /10
High
CISA KEV
Not listed
Public exploit
None known
EPSS
0.75% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Command Injection
Impact
Remote Code Execution
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
Published
27 September 2026
Updated
15 October 2026
Weakness
CWE-78

Vendor fix

Update to Fleet v4.92.0 or later where the fix is included

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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