PT-2026-1987 · Unknown · Mcp Manager For Claude Desktop

Brandon Niemczyk + 2 · Published 2026-01-09 · Updated 2026-01-28 · CVE-2026-0757

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions MCP Manager for Claude Desktop (affected versions not specified)

Description The software contains a security issue that allows for sandbox escape and arbitrary code execution within the context of the MCP Manager process. This is triggered by manipulated MCP configurations or malicious pages/files. The software is considered high risk in production environments.

Recommendations Disable or remove the software until an official fix is available.

Fix

OS Command Injection

Weakness Enumeration

CWE-78

Related Identifiers

CVE-2026-0757

ZDI-26-023

Affected Products

Mcp Manager For Claude Desktop

References · 5

• https://nvd.nist.gov/vuln/detail/CVE-2026-0757 · Security Note
• https://zerodayinitiative.com/advisories/ZDI-26-023 · Security Note
• https://twitter.com/TheZDIBugs/status/2016618242832220285 · Twitter Post
• https://reddit.com/r/ClaudeAI/comments/1q8zjrq/security_issue_mcp_manager_for_claude_desktop · Reddit Post
• https://twitter.com/CVEnew/status/2014576963911073922 · Twitter Post