---
cve: "CVE-2026-0393"
severity: "MEDIUM"
cvss: 6.9
epss: "24%"
vendor: "CODESYS"
kev: false
exploited: false
published: "2026-05-21 12:16:19"
tags: [cve, security, medium]
source: tsecurity.de CVE-Dossier
exported: "2026-09-07T06:06:52+02:00"
---

# CVE-2026-0393

> 6.9 MEDIUM

## Beschreibung

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.

## CVSS-Vektor

```
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
```

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Netzwerk | bad |
| AC Komplexität | Gering | bad |
| PR Privilegien | Gering | warn |

## Referenzen

- <https://codesys.csaf-tp.certvde.com/.well-known/csaf/white/2026/advisory2026-07_vde-2026-052.json>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-0393) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_