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.
Published: 2026-08-19
Score: 7.8 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

Vendor Workaround

To mitigate this issue, users should avoid browsing untrusted directories or interacting with files from untrusted sources using Vim's netrw plugin. Exercise caution when opening directories that may contain maliciously crafted filenames.

Tracking

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Advisories
Source ID Title
Ubuntu USN Ubuntu USN USN-8415-1 Vim vulnerabilities
History

Fri, 21 Aug 2026 21:45:00 +0000

Type Values Removed Values Added
First Time appeared Redhat openshift Container Platform
Vim
Vim vim
Vendors & Products Redhat openshift Container Platform
Vim
Vim vim

Thu, 20 Aug 2026 00:15:00 +0000

Type Values Removed Values Added
References
Metrics threat_severity

None

threat_severity

Important


Wed, 19 Aug 2026 15:30:00 +0000

Type Values Removed Values Added
References
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Wed, 19 Aug 2026 14:15:00 +0000

Type Values Removed Values Added
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.
Title Vim: vimscript injection via unescaped filename in netrw s:netrwmarkfile() filter() expression allows arbitrary code execution
First Time appeared Redhat
Redhat enterprise Linux
Redhat openshift
Weaknesses CWE-94
CPEs cpe:/a:redhat:openshift:4
cpe:/o:redhat:enterprise_linux:10
cpe:/o:redhat:enterprise_linux:6
cpe:/o:redhat:enterprise_linux:7
cpe:/o:redhat:enterprise_linux:8
cpe:/o:redhat:enterprise_linux:9
Vendors & Products Redhat
Redhat enterprise Linux
Redhat openshift
References
Metrics cvssV3_1

{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'}


Subscriptions

Redhat Enterprise Linux Openshift Openshift Container Platform
Vim Vim
cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

Updated: 2026-08-19T16:53:18.201Z

Reserved: 2026-05-04T18:07:21.843Z

Link: CVE-2026-43961

cve-icon Vulnrichment

Updated: 2026-08-19T14:15:30.768Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-08-19T14:17:31.793

Modified: 2026-08-20T13:08:53.900

Link: CVE-2026-43961

cve-icon Redhat

Severity : Important

Publid Date: 2026-08-19T13:26:06Z

Links: CVE-2026-43961 - Bugzilla

cve-icon OpenCVE Enrichment

Updated: 2026-08-21T21:16:30Z

Weaknesses