Vulnerability details
CVE-2026-34112
guardian language-system
Guardian Language-System Unauthenticated OS Command Injection via id Parameter in speechmac.php
CVSS 4.0
9.3Critical
Official description
Guardian language-system passes the id GET parameter directly into a PHP exec() call in speechmac.php (line 18) without sanitization: exec(\"php jobs/speech_audio_mac.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.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 9.3Critical | 4.0 | CVEProject cvelistV5 (CNA) (VulnCheck) | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N |
| 9.8Critical | 3.1 | CVEProject cvelistV5 (CNA) (VulnCheck) | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| guardian | language-system | v ≤ e42c395ec4b03fe62973a669c9209a673838b8a4 | CVEProject cvelistV5 (CNA) |
References and advisories
2- https://gist.github.com/cyberinforepo/d5b2771d82e1b31b8fc1c33052e08dad technical-descriptionexploit
- https://www.vulncheck.com/advisories/guardian-language-system-unauthenticated-os-command-injection-via-id-parameter-in-speechmac-php third-party-advisory
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Details
- Published
- 2026-07-01
- Last updated
- 2026-07-14
- State
- Published
- Assigner (CNA)
- VulnCheck
Exploit prediction (EPSS)
0.93%
Probability of exploitation in 30 days
60.7%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- Yes
- Exploitation
- Proof of concept
- Technical impact
- Total
Weaknesses (CWE)
- CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')