---
cve: "CVE-2026-43961"
severity: "HIGH"
cvss: 7.8
epss: "0.2%"
vendor: "vim"
kev: false
exploited: false
published: "2026-08-19 14:17:31"
tags: [cve, security, high]
source: tsecurity.de CVE-Dossier
exported: "2026-09-21T12:24:16+02:00"
---

# CVE-2026-43961

> 7.8 HIGH · 🧪 PoC

## Beschreibung

A flaw was found in Vim's netrw plugin. A crafted filename containing quote characters and expression fragments can break out of the quoted context during mark/unmark operations, allowing arbitrary Vimscript execution. This can be leveraged to run shell commands with the privileges of the user running Vim.

## CVSS-Vektor

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

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

## Patch verfügbar (OSV)

- 8af0f098c3a42a28661d0295364e6e0fd7dbc92c (Commit)

## Referenzen

- <https://access.redhat.com/security/cve/CVE-2026-43961>
- <https://bugzilla.redhat.com/show_bug.cgi?id=2460434>
- <https://github.com/vim/vim/security/advisories/GHSA-66hr-7p6x-x5j3>
- <http://www.openwall.com/lists/oss-security/2026/05/14/7>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-43961) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_