OS Command Injection Vulnerability in Guardian Language System by Guardian
CVE-2026-34117

9.3CRITICAL

Key Information:

Vendor

Guardian

Status
Language-system
Vendor
CVE Published:
1 July 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-34117?

The Guardian Language System introduces a vulnerability where the id GET parameter is directly passed to a PHP exec() call within the text_to_subtitles.php script without proper sanitization. This flaw allows an unauthenticated remote attacker to inject shell metacharacters, enabling them to execute arbitrary operating system commands on the server. The lack of authentication means that attackers can exploit this vulnerability without needing to log in, posing a significant risk to the integrity and security of affected systems.

Affected Version(s)

language-system 0

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-34117 - Proof of Concept

References

https://gist.github.com/cyberinforepo/d5b2771d82e1b31b8fc...
technical-descriptionexploit
https://www.vulncheck.com/advisories/guardian-language-sy...
third-party-advisory

CVSS V4

Score:
9.3
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

philopentest
.