---
cve: "CVE-2026-44945"
severity: "CRITICAL"
cvss: 9.1
epss: "30%"
vendor: "SUSE"
kev: false
exploited: false
published: "2026-08-05 10:17:27"
tags: [cve, security, critical]
source: tsecurity.de CVE-Dossier
exported: "2026-09-03T08:38:33+02:00"
---

# CVE-2026-44945

> 9.1 CRITICAL · 🧪 PoC

## Beschreibung

A privilege escalation vulnerability exists in Rancher's impersonation middleware (pkg/auth/requests/impersonate.go). An authenticated Rancher user with the default user
 global role can gain full administrative access to the Rancher control 
plane and transitively to all downstream clusters it manages.

This issue affects Rancher: from 2.11.0 before 2.11.16, from 2.12.0 before 2.12.12, from 2.13.0 before 2.13.8, and from 2.14.0 before 2.14.2.

## CVSS-Vektor

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

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

## Patch verfügbar (OSV)

- e6c19548eded02b0fbc4276d3363bd2bb09930ce (Commit)
- 3bc84195ee8855d7426718b4b87988fb6bc14fc0 (Commit)

## Referenzen

- <https://github.com/rancher/rancher/pull/55983>
- <https://github.com/rancher/rancher/security/advisories/GHSA-v584-7w32-jwpq>
- <https://bugzilla.suse.com/show_bug.cgi?id=CVE-2026-44945>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-44945) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_