SEPTEMBER 19, 2026
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Case File

CVE-2026-43961

HIGH · CVSS 7.8 EPSS 0.16% Public Exploit

Source: NVD + CISA KEV + EPSS · Published 2026-08-19 · Last synced 2026-09-18

CyberRota Analysis

AI-Generated

The netrw plugin in Vim is vulnerable to a flaw that allows crafted filenames to escape quoted contexts during mark/unmark operations, leading to arbitrary Vimscript execution. This vulnerability can be exploited to execute shell commands with the privileges of the user running Vim, posing a significant security risk. Users and organizations utilizing Vim, particularly those with the netrw plugin enabled, should prioritize patching this issue to mitigate potential exploitation.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

GitHub PoC Links

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2026-43961
Severity
HIGH
CVSS
7.8
EPSS
0.16%

Original NVD 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.