Critical Command Injection Flaw Undermines DSAI-Cline Security

Critical Command Injection Flaw Undermines DSAI-Cline Security

CVE Notify has detailed a critical OS command injection vulnerability impacting DSAI-Cline’s command auto-approval module. This flaw effectively bypasses the module’s whitelist security, a serious issue given its reliance on string parsing for command validation. While DSAI-Cline is designed to intercept dangerous operators like semicolons, logical operators, pipes, and command substitution, it overlooks a fundamental weakness: raw newline characters.

Exploitation involves crafting an input where a whitelisted command is followed by a newline and then malicious code. CVE Notify explains that DSAI- Cline misinterprets this as a safe operation. However, the underlying PowerShell interpreter sees the newline as a command separator, executing both the legitimate and the attacker-controlled commands sequentially. The result is Remote Code Execution (RCE) without any user interaction, a nightmare scenario for any system administrator.

What This Means For You

  • Security teams should audit systems using DSAI-Cline or similar command parsing modules to ensure they implement robust input validation beyond simple operator stripping, specifically addressing newline characters and other less obvious separators that can be abused by attackers to chain commands.

Related ATT&CK Techniques

πŸ›‘οΈ Detection Rules

1 rule Β· 6 SIEM formats

1 detection rule mapped to MITRE ATT&CK. Free Sigma YAML below.

high T1190 Initial Access

Web Application Exploitation Attempt β€” CVE-2026-30313

Sigma YAML β€” free preview

Source: Shimi's Cyber World Β· License & reuse

Indicators of Compromise

IDTypeIndicator
CVE-2026-30313 Command Injection DSAI-Cline command auto-approval module. Vulnerability in string-based parsing of commands, specifically failing to account for raw newline characters. Allows embedding malicious code after a whitelisted command using a newline separator, leading to RCE.
CVE-2026-30313 RCE DSAI- Cline command auto-approval module. Exploitation via OS command injection using newline characters to bypass whitelist and execute arbitrary commands via PowerShell interpreter.

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