CVE-2026-108953 mac-shell-mcp - Command Injection

mac-shell-mcp < 2.0.0 contains a command injection caused by injection of shell metacharacters into execute_command arguments, letting attackers bypass command whitelist and execute arbitrary OS commands as server user, exploit requires attacker to send crafted execute_command arguments.

CVSS base score 7.8 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
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:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published
12 October 2026
Updated
15 October 2026
Weakness
CWE-78

Vendor fix

Update to version 2.0.0 or later.

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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