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CVE-2026-34109— Guardian Language-System Unauthenticated OS Command Injection via id Parameter in speech.php

Quick assessment

Affected
guardian language-system
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Guardian language-system是英国Guardian公司的一个支持语言系统的企业应用。 Guardian language-system存在命令注入漏洞，该漏洞源于在speech.php中将id GET参数直接传递给PHP exec()调用且未进行清理，未经身份验证的远程攻击者可附加shell元字符以执行任意OS命令。

CVSS 9.8 · Critical EPSS 0.93% · P60

Affected Version Matrix 1

VendorProduct Version RangeStatus
guardian language-system ≤ e42c395ec4b03fe62973a669c9209a673838b8a4 affected
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I. Basic Information for CVE-2026-34109

Vulnerability Information
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Vulnerability Title
Guardian Language-System Unauthenticated OS Command Injection via id Parameter in speech.php
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
OS命令中使用的特殊元素转义处理不恰当(OS命令注入)
Source: CVE Program / CVE List V5
Vulnerability Title
Guardian language-system 命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Guardian language-system是英国Guardian公司的一个支持语言系统的企业应用。 Guardian language-system存在命令注入漏洞，该漏洞源于在speech.php中将id GET参数直接传递给PHP exec()调用且未进行清理，未经身份验证的远程攻击者可附加shell元字符以执行任意OS命令。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
guardian language-system 0 ~ e42c395ec4b03fe62973a669c9209a673838b8a4 -

II. Public POCs for CVE-2026-34109

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III. Intelligence Information for CVE-2026-34109

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Vendor Advisories for CVE-2026-34109 (1)

Proof of Concept for CVE-2026-34109 (1)

Same Patch Batch · guardian · 2026-07-01 · 22 CVEs total

CVE-2026-34099 9.8 CRITICAL Guardian Language-System Unauthenticated SQL Injection via id Parameter in job_info.php
CVE-2026-34113 9.8 CRITICAL Guardian Language-System Unauthenticated OS Command Injection via id Parameter in speech_t
CVE-2026-34107 9.8 CRITICAL Guardian Language-System Unauthenticated OS Command Injection via id Parameter in translat
CVE-2026-34110 9.8 CRITICAL Guardian Language-System Unauthenticated OS Command Injection via id Parameter in complex_
CVE-2026-34114 9.8 CRITICAL Guardian Language-System Unauthenticated OS Command Injection via id Parameter in translat
CVE-2026-34115 9.8 CRITICAL Guardian Language-System Unauthenticated OS Command Injection via id Parameter in transcri
CVE-2026-34111 9.8 CRITICAL Guardian Language-System Unauthenticated OS Command Injection via id Parameter in speechma
CVE-2026-34108 9.8 CRITICAL Guardian Language-System Unauthenticated OS Command Injection via id Parameter in text.php
CVE-2026-34116 9.8 CRITICAL Guardian Language-System Unauthenticated OS Command Injection via id Parameter in transcri
CVE-2026-34112 9.8 CRITICAL Guardian Language-System Unauthenticated OS Command Injection via id Parameter in speechma
CVE-2026-34106 9.8 CRITICAL Guardian Language-System Unauthenticated OS Command Injection via id Parameter in subtitle
CVE-2026-34117 9.8 CRITICAL Guardian Language-System Unauthenticated OS Command Injection via id Parameter in text_to_
CVE-2026-34103 8.8 HIGH Guardian Language-System SQL Injection via id Parameter in subtitles.php
CVE-2026-34102 8.8 HIGH Guardian Language-System SQL Injection via id Parameter in job_info_get.php
CVE-2026-34101 8.8 HIGH Guardian Language-System SQL Injection via id Parameter in text_file.php
CVE-2026-34100 8.8 HIGH Guardian Language-System SQL Injection via id Parameter in media.php
CVE-2026-34104 8.8 HIGH Guardian Language-System SQL Injection via name Parameter in designer.php
CVE-2026-34105 8.8 HIGH Guardian Language-System SQL Injection via id Parameter in translate_text.php
CVE-2026-34096 4.6 MEDIUM Guardian Language-System XSS via name Parameter in designer.php
CVE-2026-34098 4.6 MEDIUM Guardian Language-System XSS via id Parameter in media.php

Showing top 20 of 22 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: language-system
Same vendor: guardian
Same weakness: CWE-78

V. Comments for CVE-2026-34109

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