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.
{
"cna_assigner": "redhat",
"cwe_ids": [
"CWE-94"
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43961.json"
}"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-43961.json"
[
{
"deprecated": false,
"digest": {
"line_hashes": [
"146200493773228420153804765641940418619",
"38789096583632854673591176374289504306",
"193998430772198681151223607697804319189",
"245267406181063195736875320217914319568"
],
"threshold": 0.9
},
"id": "CVE-2026-43961-2500c433",
"signature_type": "Line",
"signature_version": "v1",
"source": "https://github.com/vim/vim/commit/8af0f098c3a42a28661d0295364e6e0fd7dbc92c",
"target": {
"file": "src/version.c"
}
}
]
"2026-09-03T08:04:46Z"