CVE-2026-43961
Vim: vimscript injection via unescaped filename in netrw s:netrwmarkfile() filter() expression allows arbitrary code execution
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.
No summary for this CVE yet.
CVSS Vector Breakdown
Exploitability
AV:LAttack VectorLocal
AC:LAttack ComplexityLow
PR:NPrivileges RequiredNone
UI:RUser InteractionRequired
Scope
S:UScopeUnchanged
Impact
C:HConfidentialityHigh
I:HIntegrityHigh
A:HAvailabilityHigh
Weaknesses
Affected Products
Red Hat
commercial·US
vim
oss-projectaka vim/vim, gvim, vi
and 4 more affected products View all →
Exploitability
Workaround Available
Attack Graph
Products CVE Techniques Tactics
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MITRE ATT&CK
2 techniques Execution
Initial Access
References
https://access.redhat.com/errata/RHSA-2026:57614
access.redhat.com
https://access.redhat.com/security/cve/CVE-2026-43961
access.redhat.com
https://bugzilla.redhat.com/show_bug.cgi?id=2460434
bugzilla.redhat.com
and 2 more references View all →
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