guardian language-system subtitles.php exec ID os command injection

Summaryinfo

A vulnerability classified as critical was found in guardian language-system. Affected by this vulnerability is the function exec of the file subtitles.php. The manipulation of the argument ID results in os command injection. This vulnerability is identified as CVE-2026-34106. The attack can be executed remotely. There is not any exploit available. It is best practice to apply a patch to resolve this issue.

Detailsinfo

A vulnerability classified as critical has been found in guardian language-system (version unknown). Affected is the function exec of the file subtitles.php. The manipulation of the argument id with an unknown input leads to a os command injection vulnerability. CWE is classifying the issue as CWE-78. The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Guardian language-system passes the id GET parameter directly into a PHP exec() call in subtitles.php (line 19) without sanitization: exec(\"php jobs/subtitle_rendering.php \".$login_session.\" \".$_GET['id'].\" ...\"). No authentication is required. An unauthenticated remote attacker can append shell metacharacters to the id parameter to execute arbitrary OS commands on the server.

The weakness was released by philopentest. The advisory is available at gist.github.com. This vulnerability is traded as CVE-2026-34106 since 03/25/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1202 by the MITRE ATT&CK project.

By approaching the search of inurl:subtitles.php it is possible to find vulnerable targets with Google Hacking.

Applying the patch e42c395ec4b03fe62973a669c9209a673838b8a4 is able to eliminate this problem.

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• guardian

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• language-system

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