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CVE-2026-5752

CRITICAL CVSS 3.1: 9.3
Updated Apr 17, 2026
Sandbox
Parameter Value
CVSS 9.3 (CRITICAL)
Vendor Sandbox
Public PoC No

Sandbox Escape Vulnerability in Terrarium allows arbitrary code execution with root privileges on a host process via JavaScript prototype chain traversal.

Attack Parameters

Attack Vector
Local
Requires local access
Attack Complexity
Low
Easy to exploit
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service

CVSS Vector v3.1