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9.3

CVE-2026-34109: Guardian Language-System Allows Remote Code Execution

CVE-2026-34109 CVE-2026-34109
Summary

The Guardian language-system has a security flaw that allows an attacker to execute any command on the server without needing a password. This could allow the attacker to access sensitive data or take control of the server. To fix this, update the Guardian language-system to properly sanitize user input and limit access to authorized users.

What to do

No fix is available yet. Check with your software vendor for updates.

Affected software
VendorProductAffected versions
guardian language-system <= e42c395ec4b03fe62973a669c9209a673838b8a4
Original title
Guardian Language-System Unauthenticated OS Command Injection via id Parameter in speech.php
Original description
Guardian language-system passes the id GET parameter directly into a PHP exec() call in speech.php (line 18) without sanitization: exec(\"php jobs/speech_audio.php \".$login_session.\" \".$_GET['id'].\" ...\"). No authentication is required. An unauthenticated remote attacker can append shell metacharacters to execute arbitrary OS commands on the server.
nvd CVSS3.1 9.8
nvd CVSS4.0 9.3
Vulnerability type
CWE-78 OS Command Injection
Published: 1 Jul 2026 · Updated: 23 Jul 2026 · First seen: 1 Jul 2026