---
cve: "CVE-2026-27948"
severity: "MEDIUM"
cvss: 5.4
epss: "0.2%"
vendor: "9001"
kev: false
exploited: false
published: "2026-02-26 02:16:22"
tags: [cve, security, medium]
source: tsecurity.de CVE-Dossier
exported: "2026-09-22T11:14:28+02:00"
---

# CVE-2026-27948

> 5.4 MEDIUM · 🧪 PoC

## Beschreibung

Copyparty is a portable file server. In versions prior to 1.20.9, an XSS allows for reflected cross-site scripting via URL-parameter `?setck=...`. Version 1.20.9 fixes the issue.

## CVSS-Vektor

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

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Netzwerk | bad |
| AC Komplexität | Gering | bad |
| PR Privilegien | Keine | bad |
| UI Interaktion | Erforderlich | good |
| S Scope | Unverändert | good |
| C Vertraulichkeit | Gering | warn |
| I Integrität | Gering | warn |
| A Verfügbarkeit | Keine | good |

## Patch verfügbar (OSV)

- e00e11225f146c9aca50fec01232d4718eb8e6aa (Commit)
- 31b2801fd041f803f4a3d5c12c7d7cb5419048bc (Commit)

## Referenzen

- <https://github.com/9001/copyparty/security/advisories/GHSA-62cr-6wp5-q43h>
- <https://github.com/9001/copyparty/commit/31b2801fd041f803f4a3d5c12c7d7cb5419048bc>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-27948) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_