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2 vulnerabilities by cfdude
CVE-2026-108953 (GCVE-0-2026-108953)
Vulnerability from nvd – Published: 2026-10-12 12:13 – Updated: 2026-10-13 16:58
VLAI
EPSS
VEX
Title
mac-shell-mcp before 2.0.0 OS Command Injection via execute_command Arguments
Summary
mac-shell-mcp before 2.0.0 contains an OS command injection vulnerability that allows MCP clients to bypass the command whitelist by injecting shell metacharacters into execute_command arguments. Attackers or malicious prompts can call a safe command such as pwd with arguments like ';' to run forbidden commands as the server user without approval.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-13 16:40 UTC
CWE
- CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://github.com/cfdude/mac-shell-mcp/issues/45 | issue-tracking |
| https://github.com/cfdude/mac-shell-mcp/commit/93… | patch |
| https://github.com/cfdude/mac-shell-mcp/blob/1c17… | technical-description |
| https://github.com/cfdude/mac-shell-mcp | product |
| https://www.vulncheck.com/advisories/mac-shell-mc… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| cfdude | mac-shell-mcp |
Affected:
0 , < 2.0.0
(semver)
|
Date Public
2026-10-04 00:00
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CVE-2026-108953 (GCVE-0-2026-108953)
Vulnerability from cvelistv5 – Published: 2026-10-12 12:13 – Updated: 2026-10-13 16:58
VLAI
EPSS
VEX
Title
mac-shell-mcp before 2.0.0 OS Command Injection via execute_command Arguments
Summary
mac-shell-mcp before 2.0.0 contains an OS command injection vulnerability that allows MCP clients to bypass the command whitelist by injecting shell metacharacters into execute_command arguments. Attackers or malicious prompts can call a safe command such as pwd with arguments like ';' to run forbidden commands as the server user without approval.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-13 16:40 UTC
CWE
- CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://github.com/cfdude/mac-shell-mcp/issues/45 | issue-tracking |
| https://github.com/cfdude/mac-shell-mcp/commit/93… | patch |
| https://github.com/cfdude/mac-shell-mcp/blob/1c17… | technical-description |
| https://github.com/cfdude/mac-shell-mcp | product |
| https://www.vulncheck.com/advisories/mac-shell-mc… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| cfdude | mac-shell-mcp |
Affected:
0 , < 2.0.0
(semver)
|
Date Public
2026-10-04 00:00
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