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UnratedPublic exploit

Unauthenticated OS Command Injection in Guardian language-system transcribe.php

IdentifiersCVE-2026-34116CWE-78

CVE-2026-34116 is a critical unauthenticated OS command injection vulnerability in Guardian language-system. The flaw is in transcribe.php at line 15, where the application passes the HTTP GET parameter id directly into a PHP exec() call without sanitization: exec("php jobs/transcribe.php ".$login_session." ".$_GET['id']." ..."). Because attacker-controlled input is concatenated into a shell command, a remote attacker can append shell metacharacters to the id parameter and cause arbitrary operating system commands to be executed on the server.

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ANALYST BRIEF

Impact, mitigation & remediation

What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.

Impact

What an attacker gets, and what they’ve been doing with it.

Successful exploitation allows unauthenticated remote code execution in the security context of the web application/PHP process. This can result in full compromise of the affected host depending on process privileges, including unauthorized command execution, data theft, modification or deletion of application data, installation of malware or persistence mechanisms, and service disruption. The provided context characterizes confidentiality, integrity, and availability impact as high.

Mitigation

If you can’t patch tonight, do this now.

Until a patch is applied, restrict or disable access to the vulnerable transcribe.php endpoint, especially from untrusted networks. Implement strict server-side validation and filtering for the id GET parameter, block shell metacharacters, and monitor for suspicious requests targeting transcribe.php with command-injection patterns. Web application firewall rules may help reduce exposure, but are not a substitute for fixing the vulnerable exec() usage.

Remediation

Patch, then assume compromise.

Update Guardian language-system to a patched version if one is available from the vendor. In code, eliminate shell invocation with untrusted input: do not pass user-controlled data directly into exec(). Replace exec()-based command construction with safer APIs that avoid shell interpretation where possible. If command execution is unavoidable, strictly validate the id parameter against an allowlist of expected values/formats and ensure proper escaping/parameterization before use.
PUBLIC EXPLOITS

Exploits

No public exploits tracked yet. Mallory keeps watching.

VALID 0 / 0 TOTALView more in app

No public exploit code observed for this vulnerability.

EXPOSURE SURFACE

Affected products & vendors

Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.

VendorProductType
The GuardianLanguage-Systemapplication

Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.

ACTIVITY FEED

Recent activity

8 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.

8 SOURCESView more in app
What this page doesn’t show

The version that knows your environment.

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Exposure mapping

Query your assets running an affected version, and investigate the blast radius.

Threat actor evidence

Every observed campaign linking this CVE to a named adversary.

Associated malware

Malware families riding this exploit, with evidence and IOCs.

Detection signatures

YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.

Vendor-by-vendor mapping

Cross-references every affected SKU, including bundled OEM variants.

Social activity7

Community discussion across Reddit, Mastodon, and other social sources.

EXTERNAL REFERENCES
MITRE CVE
cve.org · CVE-2026-34116
NVD
nvd.nist.gov/vuln/detail/CVE-2026-34116
MITRE CWE · CWE-78
cwe.mitre.org