CVE-2026-58650 in Visual Studio Code
Summary
by MITRE • 08/11/2026
Authorization bypass through user-controlled key in Visual Studio Code allows an unauthorized attacker to bypass a security feature locally.
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Analysis
by VulDB Data Team • 08/11/2026
This vulnerability represents a critical authorization bypass flaw that specifically targets the local security mechanisms within Visual Studio Code environments. The issue arises from improper validation of user-controlled input parameters that are subsequently used as keys for accessing protected resources or security features. When an attacker can manipulate these keys through crafted input, they effectively circumvent the intended access controls that should restrict unauthorized users from performing privileged operations.
The technical implementation of this vulnerability stems from insufficient sanitization and validation of key parameters within the application's authorization subsystem. Visual Studio Code's security model relies on specific keys or tokens to determine user permissions and access levels for various features including file system operations, debugging capabilities, and extension management functions. When these keys are derived from user-controllable inputs without proper verification, attackers can craft malicious inputs that result in unauthorized access to restricted functionality.
From an operational perspective this vulnerability poses significant risks to development environments where Visual Studio Code serves as the primary integrated development environment. Attackers could exploit this weakness to gain elevated privileges within the local development workstation, potentially leading to code injection, data exfiltration, or compromise of sensitive source code repositories. The local nature of the attack means that exploitation does not require network connectivity or external server access, making it particularly dangerous in environments where developers work on sensitive projects or have access to production systems through their development tools.
The security implications extend beyond simple unauthorized access as this vulnerability can enable attackers to bypass multiple layers of protection including file system permissions, extension security boundaries, and debugging restrictions. This type of authorization bypass aligns with CWE-863, which specifically addresses "Incorrect Authorization" vulnerabilities where the application fails to properly verify that an actor is authorized to perform a requested operation. The flaw demonstrates poor input validation practices and inadequate access control enforcement mechanisms within the IDE's security architecture.
Organizations should implement immediate mitigations including updating Visual Studio Code to versions that address this specific authorization bypass vulnerability, implementing network segmentation to limit direct access to development workstations, and conducting thorough security reviews of all user-controlled inputs within development environments. Security monitoring should focus on unusual file system access patterns, unexpected extension installations, or unauthorized debugging activities that might indicate exploitation attempts. Additionally, developers should be educated about the risks of using unvalidated user inputs in security-sensitive contexts, and organizations should consider implementing additional layers of protection such as mandatory access controls or privilege separation mechanisms to reduce the potential impact of such vulnerabilities.
This vulnerability type relates to ATT&CK technique T1068 which covers "Exploitation for Privilege Escalation" and demonstrates how local privilege escalation can occur through application-level flaws in authorization mechanisms. The attack surface is particularly concerning given that Visual Studio Code is widely used across development teams and often runs with elevated privileges on developer workstations, making successful exploitation potentially devastating to organizational security posture and sensitive project integrity.