Vulnerability DatabaseCVE-2026-43961
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CVE-2026-43961
Published:August 19, 2026
Updated:September 24, 2026
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.
Affected Packages
https://github.com/vim/vim.git (GITHUB):
Affected version(s) >=v9.2.0000 <v9.2.0480
Fix Suggestion:
Update to version v9.2.0480
Related Resources (9)
https://access.redhat.com/errata/RHSA-2026:57614
https://nvd.nist.gov/vuln/detail/CVE-2026-43961
https://access.redhat.com/downloads/content/package-browser/
https://bugzilla.redhat.com/show_bug.cgi?id=2460434
https://github.com/vim/vim/
https://github.com/vim/vim/security/advisories/GHSA-66hr-7p6x-x5j3
https://access.redhat.com/security/cve/CVE-2026-43961
https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43961.json
http://www.openwall.com/lists/oss-security/2026/05/14/7
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CVSS v4
Base Score:
8.5
Attack Vector
LOCAL
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
PASSIVE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
7.8
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Weakness Type (CWE)
Improper Control of Generation of Code ('Code Injection')
CWE-94
EPSS
Base Score:
0.16