EUVD-2026-17425
GHSA-w4rv-fppc-w84h
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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3Tags
Description
DSAI-Cline's command auto-approval module contains a critical OS command injection vulnerability that renders its whitelist security mechanism completely ineffective. The system relies on string-based parsing to validate commands; while it intercepts dangerous operators such as ;, &&, ||, |, and command substitution patterns, it fails to account for raw newline characters embedded within the input. An attacker can construct a payload by embedding a literal newline between a whitelisted command and malicious code (e.g., git log malicious_command), forcing DSAI-Cline to misidentify it as a safe operation and automatically approve it. The underlying PowerShell interpreter treats the newline as a command separator, executing both commands sequentially, resulting in Remote Code Execution without any user interaction.
Analysis
Remote code execution in DSAI-Cline's command auto-approval module allows unauthenticated attackers to bypass whitelist validation by embedding literal newline characters within command payloads, forcing the system to execute arbitrary OS commands without user interaction. The vulnerability exploits ineffective string-based parsing that fails to sanitize newline separators, enabling attackers to chain whitelisted commands (e.g., git log) with malicious code that PowerShell interprets as sequential commands. …
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