CVE-2026-43961

Published: Aug 19, 2026Modified: Sep 1, 2026

7.8

Vector

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

Exploitability: 1.8 / Impact: 5.9

Source: secalert@redhat.com (Secondary)

Description

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.

Related CWEs

CWE-94

Improper Control of Generation of Code ('Code Injection')

The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.

References (4)

https://access.redhat.com/security/cve/CVE-2026-43961

Source: secalert@redhat.com

https://bugzilla.redhat.com/show_bug.cgi?id=2460434

Source: secalert@redhat.com

https://github.com/vim/vim/security/advisories/GHSA-66hr-7p6x-x5j3

Source: secalert@redhat.com

http://www.openwall.com/lists/oss-security/2026/05/14/7

Source: af854a3a-2127-422b-91ae-364da2661108

Timeline

No history available yet.