---
cve: "CVE-2026-0257"
severity: "HIGH"
cvss: 7.8
epss: "93.9%"
vendor: "Palo Alto Networks"
kev: true
exploited: true
published: "2026-05-13 18:15:10"
tags: [cve, security, high]
source: tsecurity.de CVE-Dossier
exported: "2026-09-08T00:10:01+02:00"
---

# CVE-2026-0257

> 7.8 HIGH · ⚠️ CISA KEV (102 Tage) · 🔓 Exploited

## Beschreibung

Authentication bypass vulnerabilities in the GlobalProtect portal and gateway of Palo Alto Networks PAN-OS® software allows the attacker to bypass security restrictions and establish an unauthorized VPN connection.

Panorama and Cloud NGFW are not impacted by these issues.

## CVSS-Vektor

```
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:H/SI:H/SA:N/E:A/AU:N/R:A/V:D/RE:M/U:Red
```

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Netzwerk | bad |
| AC Komplexität | Gering | bad |
| PR Privilegien | Keine | bad |
| UI Interaktion | Keine | bad |

## Referenzen

- <https://security.paloaltonetworks.com/CVE-2026-0257>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-0257) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_