CVE WatchOct 15, 2026

CVE-2026-63351

Affected devices do not properly validate and sanitize visual properties of calculated signals contained in imported CSV trace files before

CVSS

6.1

Medium

EPSS

0.2%

p14

KEV

—

Exploit Today

0-100

Published: Oct 13, 2026 · Last modified: Oct 15, 2026 · CWE-79

EPSS · 30d

0.2%EPSS · 30 days0.2%

2026-10-142026-10-23

Technical description

Affected devices do not properly validate and sanitize visual properties of calculated signals contained in imported CSV trace files before rendering them on the Trace page. 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.

Official references

cert-portal.siemens.comhttps://cert-portal.siemens.com/productcert/html/ssa-591731.html

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