CVE-2026-43961
highA flaw was found in Vim's netrw plugin.
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.
CVSS
7.8
7.8 (CVSS v3.1)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Severity source: NVD CVSS v3.1 (secalert@redhat.com)
Timeline (UTC)
Published: 2026-08-19 14:17
Modified: 2026-10-30 04:18
NVD status: Awaiting Analysis
Last synced 2 hours ago
Verified against the source API 2026-10-30 04:44 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
Not reported by the source (unknown — not "none").
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
No vendor advisory or patch reference tagged by NVD. Check the references below.
References
- https://access.redhat.com/errata/RHSA-2026:57614 secalert@redhat.com
- 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
Data sources
NVD CVE API 2.0 — fetched 2026-10-30 04:44 UTC · record ↗