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.
Attack Parameters
Attack Vector
Local
Requires local access
Attack Complexity
Low
Easy to exploit
Privileges Required
None
No privileges needed
User Interaction
Required
User action required
Impact Assessment
Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service
CVSS Vector v3.1
Weakness Type (CWE)
Vulnerable Products
red hat:red hat enterprise linux 6
red hat:red hat enterprise linux 9
vim:vim
red hat:red hat openshift container platform 4
red hat:red hat enterprise linux 10
red hat:red hat enterprise linux 7
red hat:red hat enterprise linux 8
References 4
https://access.redhat.com/security/cve/CVE-2026-43961
secalert@redhat.com
https://bugzilla.redhat.com/show_bug.cgi?id=2460434
secalert@redhat.com
https://github.com/vim/vim/security/advisories/GHSA-66hr-7p6x-x5j3
secalert@redhat.com
http://www.openwall.com/lists/oss-security/2026/05/14/7
af854a3a-2127-422b-91ae-364da2661108