---
cve: "CVE-2026-13207"
severity: "HIGH"
cvss: 8.7
epss: "35%"
vendor: "frangoteam"
kev: false
exploited: false
published: "2026-06-30 21:16:30"
tags: [cve, security, high]
source: tsecurity.de CVE-Dossier
exported: "2026-09-03T11:00:25+02:00"
---

# CVE-2026-13207

> 8.7 HIGH · 🧪 PoC

## Beschreibung

FUXA versions 1.3.1 and prior contain an authentication bypass vulnerability via dot-segment path normalization in the REST API. The API router fails to normalize dot-segment sequences before applying authentication middleware, allowing unauthenticated requests to access protected endpoints by prefixing paths with dot-segments such as /api/./users, /api/./roles, and /api/project/../users. These requests bypass authentication checks and return sensitive user and role data without credentials.

## CVSS-Vektor

```
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/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 | Keine | bad |
| UI Interaktion | Keine | bad |

## Referenzen

- <https://github.com/frangoteam/FUXA/releases>
- <https://www.cisa.gov/news-events/ics-advisories/icsa-26-181-02>
- <https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-181-02.json>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-13207) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_