---
cve: "CVE-2026-71189"
severity: "MEDIUM"
cvss: 4.8
epss: "0.2%"
vendor: "Toptech Systems"
kev: false
exploited: false
published: "2026-09-29 22:18:18"
tags: [cve, security, medium]
source: tsecurity.de CVE-Dossier
exported: "2026-10-07T21:12:32+02:00"
---

# CVE-2026-71189

> 4.8 MEDIUM · 🧪 PoC

## Beschreibung

An attacker can construct a request that, if issued by another application user, will cause JavaScript code supplied by the attacker to execute within the user's browser in the context of that user's session with the application.

## CNA-Record (Kanon, cvelistV5)

- CNA: **icscert**
- State: PUBLISHED
- Stand: 2026-09-30 15:28:14
- CNA-CVSS: **3.5** (`CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N`)

## CISA-Anreicherung (vulnrichment/ADP)

- CISA-SSVC (Coordinator, v2.0.3):
  - Exploitation: **none**
  - Automatable: **no**
  - Technical Impact: **partial**

## CVSS-Vektor

```
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:L/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://www.toptech.com/blog/tms7-version-7-8-strengthens-security>
- <https://www.cisa.gov/news-events/ics-advisories/icsa-26-272-02>
- <https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-272-02.json>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/sicherheitsluecken/cve-2026-71189/) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI WID (CSAF)_