Vim: vimscript injection via unescaped filename in netrw s:netrwmarkfile() filter() expression allows arbitrary code execution (vim vim)

CVE-2026-43961
HIGH 7.8

At a glance

Source
NVD
EPSS
EPSS 0.16 % · percentile 5 ()
State
PUBLISHED
Published
Updated
Assigner
redhat
NVD status
Awaiting Analysis

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.

Weaknesses (CWE)

  • CWE-94 — Improper Control of Generation of Code

References

Scores

VersionScoreVectorScored by
CVSS 3.1HIGH 7.8CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Hredhat
CVSS 3.1HIGH 7.8CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HNVD · secalert@redhat.com (Secondary)

European references

Affected products

ProductVersions
vim · vimaffected 0 < 9.2.0480
Red Hat · Red Hat Hardened Imagesunaffected 9.2.967-1.1.hum1 < *
Red Hat · Red Hat Enterprise Linux 10
Red Hat · Red Hat Enterprise Linux 6
Red Hat · Red Hat Enterprise Linux 7
Red Hat · Red Hat Enterprise Linux 8
Red Hat · Red Hat Enterprise Linux 9
Red Hat · Red Hat OpenShift Container Platform 4
Red Hat · Red Hat OpenShift Container Platform 4
Red Hat · Red Hat OpenShift Container Platform 5

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD