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Vim: Arbitrary Command Execution via Malicious `.VimballRecord` Entry Replay in `vimball.vim`

vim · CVE-2026-73076
0 news outlets0 CERTs and agencies0 researchers

What is it?

Vim is an open source, command line text editor. Prior to 9.2.0847, runtime/autoload/vimball.vim allows a crafted vimball member named .VimballRecord to overwrite the installation record with attacker-chosen commands. When vimball#RmVimball() later processes the matching record entry, the stored Ex commands, including operating-system commands invoked through :!, execute with the privileges of the user running Vim. This issue is fixed in version 9.2.0847.

Evidence

No coverage recorded yet.

Exploitation

  • Public proof of concept
  • Exploited in the wild
  • Listed as known exploited
CVSS
8.4
EPSS
0.1%
First seen
7 d ago
Status
corroborated

All vim vulnerabilities