---
cve: "CVE-2026-91841"
severity: "HIGH"
cvss: 7.8
epss: "0.2%"
vendor: "Gnome"
kev: false
exploited: false
published: "2026-09-25 18:17:32"
tags: [cve, security, high]
source: tsecurity.de CVE-Dossier
exported: "2026-10-01T04:28:40+02:00"
---

# CVE-2026-91841

> 7.8 HIGH

## Beschreibung

A flaw was found in NetworkManager-vpnc, a VPN plugin for NetworkManager. A local unprivileged user can exploit this vulnerability by injecting a newline character into the CA-File path. This manipulation allows the user to execute arbitrary commands as the root user, leading to local privilege escalation.

## CNA-Record (Kanon, cvelistV5)

- CNA: **fedora**
- State: PUBLISHED
- Stand: 2026-09-28 12:43:47
- CNA-CVSS: **7.8** (`CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H`)

## CISA-Anreicherung (vulnrichment/ADP)

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

## CVSS-Vektor

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

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

## Referenzen

- <https://access.redhat.com/security/cve/CVE-2026-91841>
- <https://bugzilla.redhat.com/show_bug.cgi?id=2533651>
- <https://gitlab.gnome.org/Archive/NetworkManager-vpnc/-/work_items/20>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-91841) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI WID (CSAF)_