CVE-2026-0393 MEDIUM

CVE-2026-0393: CODESYS Visualization - Insufficiently Protected Credentials

Vendor Codesys
Product Visualization
Weakness CWE-522 · Insufficiently protected credentials
Published May 21, 2026
Last update May 21, 2026
View on NVD All CVEs

CVSS base score

6.9/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction —
Confidentiality —
Integrity —

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

What the vulnerability does

01Description

The affected product may expose credentials remotely between low privileged visualization users during concurrent login operations due to insufficient isolation of authentication data. The vulnerability affects only login operations within an active visualization session.

Key dates

02Disclosure timeline

May 21, 2026 CVE published
May 21, 2026 Record updated