Is CVE-2026-63350 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-63350?

CVE-2026-63350 has a CVSS v3 severity of CRITICAL (9.6).

Back

CVE-2026-63350

Description

Affected devices do not properly restrict executable content contained in imported trace files. This could allow an attacker to social engineer an authorized user who holds the function right “Read diagnostics” into importing a specially crafted trace file. Successful exploitation could allow attacker-controlled JavaScript to execute in the user’s browser session and perform PLC operations through the web server within the scope of the user’s authorization.