Vulnerability · Published Jul 1, 2026 · Assigned by VulnCheck

CVE-2026-34115Guardian Language-System Unauthenticated OS Command Injection via id Parameter in transcribe_amazon.php

Critical 9.8

In plain English

A critical-severity OS command injection in language-system from guardian. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.9% (higher than 61% of all known vulnerabilities).

Severity (CVSS 3.1)9.8Critical

Exploit odds (30 days)0.9%top 39.2% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

Guardian language-system passes the id GET parameter directly into a PHP exec() call in transcribe_amazon.php (line 15) without sanitization: exec(\"php jobs/transcribe_amazon.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.

Affected products (as reported)

Vendor	Product	Versions
guardian	language-system	0 – through e42c395ec4b03fe62973a669c9209a673838b8a4

Weakness: CWE-78 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

Researcher Disclosure technical-description, exploit
https://www.vulncheck.com/advisories/guardian-language-system-unauthenticated-os-command-injection-via-id-parameter-in-transcribe-amazon-php third-party-advisory