CVE-2026-0393

CODESYS Visualization - Insufficiently Protected Credentials

State: Published
Severity: 6.9 Medium
Published: May 21, 2026
Updated: May 21, 2026
Reserved: Nov 27, 2025

Description

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.

Scores

CVSS	Score	Vector	Source
4.0	6.9 Medium	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	CERTVDE

Weaknesses

CWE-522 Insufficiently Protected Credentials

Affected Products

Product	Versions
VisualizationCODESYS	1.0.0.0 to before 4.10.0.0Affected

References

https://codesys.csaf-tp.certvde.com/.well-known/csaf/white/2026/advisory2026-07_vde-2026-052.jsonvendor-advisory

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