CVE-2026-117567 esp-mcp - Command Injection

esp-mcp through commit 28afddf contains a command injection caused by shell metacharacters in MCP tool parameters, letting attackers execute arbitrary OS commands as MCP server user, exploit requires attacker to influence agent tool calls.

CVSS base score 7.8 /10
High
CISA KEV
Not listed
Public exploit
None known
EPSS
0.65% 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
27 October 2026
Updated
29 October 2026
Weakness
CWE-78

Vendor fix

Update esp-mcp to a version after commit 28afddf or latest available version.

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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