CVE-2026-73078

Description

Vim is an open source, command line text editor. Prior to 9.2.0840, runtime/plugin/netrwPlugin.vim loads netrw and runtime/pack/dist/opt/netrw/autoload/netrw.vim constructs Bookmarks, History, and Targets menu entries by interpolating attacker-controlled directory paths into executed :menu commands. s:NetrwBookmarkMenu(), s:NetrwTgtMenu(), g:netrw_menu_escape, EX_TRLBAR, and netrw#MakeTgt() fail to neutralize the | command separator or single quotes at five construction sites, allowing a crafted path browsed or bookmarked in GUI Vim to execute arbitrary Ex and operating-system commands. This issue is fixed in version 9.2.0840.

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Severity score breakdown

CVSS version: CVSS v4.0

References

• MITRE
• NVD
• Launchpad
• Debian

Related Ubuntu Security Notices (USN)

• USN-8657-1
• Vim vulnerabilities
• 20 August 2026

Other references

• https://www.cve.org/CVERecord?id=CVE-2026-73078
• https://github.com/vim/vim/security/advisories/GHSA-rcr7-f3wr-22r2
• https://github.com/vim/vim/commit/29c6fd090d4520592f8be7d9ec81190edf25ef69