CVE-2026-0757HIGH 8.8EPSS p65.6%

CVE-2026-0757CVE-2026-0757

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.

Scoring

CVSS 3.08.8 (HIGH)
VectorCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS1.25% probability of exploitation · percentile 65.6% · 2026-06-19T12:03:05Z
Published2026-01-23
Last modified2026-04-15

Underlying weaknesses· 1

CWE-78

References

  1. https://www.zerodayinitiative.com/advisories/ZDI-26-023/

1

TypeTargetConfidenceTier
WeaknessImproper Neutralization of Special Elements used in an OS Command ('OS Command Injection')cwe-780%live

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.