RCE in Carlo Gavazzi Automation Yl212cei8m1io

CVE-2026-27565

An unauthenticated remote attacker can upload a malicious IODD file that places and executes a shell script with root privileges. The shell script remains active even after a reboot.

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

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-27565?
CVE-2026-27565 is a critical-severity vulnerability in Carlo Gavazzi Automation Yl212cei8m1io, classified under OS Command Injection. CVSS score: 9.8/10. Published 2026-09-16.
How severe is CVE-2026-27565?
Critical severity. CVSS v3 base score is 9.8 out of 10.