What is CVE-2026-34111?

CVE-2026-34111 is a critical-severity vulnerability in Guardian Language-system, classified under OS Command Injection. CVSS score: 9.8/10. Published 2026-07-01.

How severe is CVE-2026-34111?

Critical severity. CVSS v3 base score is 9.8 out of 10.

RCE in Guardian Language-system

CVE-2026-34111

Guardian language-system passes the id GET parameter directly into a PHP exec() call in speechmac_text.php (line 18) without sanitization: exec(\"php jobs/speech_audio_mac_text.php \".$login_session.\" \".$_GET['id'].\" ...\"). No authenti…

Vulnerability class: Command Injection (OS Command Injection)

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Guardian Language-system — versions 0

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

disclosure@vulncheck.com (technical-description, exploit)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2026-34111?: CVE-2026-34111 is a critical-severity vulnerability in Guardian Language-system, classified under OS Command Injection. CVSS score: 9.8/10. Published 2026-07-01.
How severe is CVE-2026-34111?: Critical severity. CVSS v3 base score is 9.8 out of 10.