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CVE-2026-30312

Severity
CRITICAL
CVSS
9.8
EPSS
0.01659
Risk score
39.78
CISA KEV
No
PoC
No
Published
2026-03-31
Modified
2026-04-01
First seen
2026-08-05
Aliases
EUVD-2026-17425, GHSA-W4RV-FPPC-W84H
Products
n/a:n/a n/a
Sources
nvd CVE-2026-30312
euvd EUVD-2026-17425

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.

References