CVE-2026-0757 is a command injection sandbox escape vulnerability in MCP Manager for Claude Desktop, stemming from improper validation of user-supplied strings in MCP config objects. This allows remote attackers to bypass the sandbox and execute arbitrary code with medium integrity, requiring user interaction such as visiting a malicious page. Rated 8.8 HIGH on CVSS, the attack is network-based with low complexity, leading to high impact on confidentiality, integrity, and availability. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
| MCP Manager For Claude Desktop | MCP Manager For Claude Desktop | 1140651e836cabe746f444bdc449cdd2429c4bcaCNA affecteddefault unknown |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.
Remediation records are not available for this CVE.