vim: arbitrary command execution via modeline sandbox bypass

A flaw was found in Vim. A modeline is used to set specific editor options directly from a text file. However, the complete, guitabtooltip, printheader options and the mapset function lack proper security checks, allowing an attacker to bypass restrictions and cause arbitrary OS command execution...

CLSA-2026-1778856286 vim: Fix of CVE-2026-34982

CVE-2026-34982: fix vim modeline sandbox bypass via complete/guitabtooltip/printheader options and mapset...

vim: arbitrary command execution via modeline sandbox bypass

A flaw was found in Vim. A modeline is used to set specific editor options directly from a text file. However, the complete, guitabtooltip, printheader options and the mapset function lack proper security checks, allowing an attacker to bypass restrictions and cause arbitrary OS command execution...

CVE-2026-34982

A flaw was found in Vim. A modeline is used to set specific editor options directly from a text file. However, the complete, guitabtooltip, printheader options and the mapset function lack proper security checks, allowing an attacker to bypass restrictions and cause arbitrary OS command execution...

UBUNTU-CVE-2026-34982

Vim is an open source, command line text editor. Prior to version 9.2.0276, a modeline sandbox bypass in Vim allows arbitrary OS command execution when a user opens a crafted file. The complete, guitabtooltip and printheader options are missing the PMLE flag, allowing a modeline to be executed...