What is CVE-2026-27552?

CVE-2026-27552 is a high-severity vulnerability, classified under Incorrect Authorization. CVSS score: 8.1/10. Published 2026-09-16.

How severe is CVE-2026-27552?

High severity. CVSS v3 base score is 8.1 out of 10.

CVE-2026-27552

CVE-2026-27552

A low-privileged remote attacker can exploit improper authorization in the /index.php/attached_devices_tab/do_upload endpoint to upload IODD files to the device, potentially altering device behavior or causing system crashes.

Vulnerability class: Broken Access Control

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H.

Weakness classification (CWE)

CWE-863 — Incorrect Authorization

References

info@cert.vde.com
info@cert.vde.com
info@cert.vde.com

Frequently asked questions

What is CVE-2026-27552?: CVE-2026-27552 is a high-severity vulnerability, classified under Incorrect Authorization. CVSS score: 8.1/10. Published 2026-09-16.
How severe is CVE-2026-27552?: High severity. CVSS v3 base score is 8.1 out of 10.