Vulnerability · Published Jan 23, 2026 · Assigned by zdi

CVE-2026-0757MCP Manager for Claude Desktop execute-command Command Injection Sandbox Escape Vulnerability

High 8.8

In plain English

A high-severity OS command injection in MCP Manager for Claude Desktop from MCP Manager for Claude Desktop. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.3% (higher than 71% of all known vulnerabilities).

Severity (CVSS 3.0)8.8High

Exploit odds (30 days)1.3%top 29.1% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

MCP Manager for Claude Desktop execute-command Command Injection Sandbox Escape Vulnerability. This vulnerability allows remote attackers to bypass the sandbox on affected installations of MCP Manager for Claude Desktop. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the processing of MCP config objects. The issue results from the lack of proper validation of a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to escape the sandbox and execute arbitrary code in the context of the current process at medium integrity. Was ZDI-CAN-27810.

Affected products (as reported)

Vendor	Product	Versions
MCP Manager for Claude Desktop	MCP Manager for Claude Desktop	1140651e836cabe746f444bdc449cdd2429c4bca

Weakness: CWE-78 · Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References

ZDI-26-023 x_research-advisory