CVE•Published 2026-05-21•Modified 2026-06-01•0 articles on news•6 live references•NVD data

CVE-2026-0393Codesys · Visualization

Vulnerability data via NVD (ingested)

CVSS v3.1

6.5

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

EPSS percentile

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Weaknesses (CWE)

CWE-522Insufficiently Protected Credentials

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.

Timeline

Published 2026-05-21

Modified 2026-06-01

External references

NVD MITRE Exploit-DB GitHub PoC Sploitus VulnCheck

Search for exposed instances

Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).

Shodan · vuln tag0 hosts

vuln:CVE-2026-0393

Hosts Shodan has explicitly fingerprinted as vulnerable.

Shodan · product

product:"Codesys Visualization"

All exposed Codesys Visualization instances — cross-reference with the CVE's affected-version range.

Shodan · banner/body mention

http.html:"Visualization"

HTTP body or banner mentions "Visualization" — catches deploys Shodan didn't identify as a product.

More intel sources (5)

Shodan report

vuln:CVE-2026-0393