High (8.6). EPSS 19% chance of exploitation in the next 30 days.
getchar.c in Vim before 8.1.1365 and Neovim before 0.3.6 allows remote attackers to execute arbitrary OS commands via the :source! command in a modeline, as demonstrated by execute in Vim, and assert_fails or nvim_input in Neovim.
Severity
CVSS 3.0
8.6 high
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
EPSS
19% chance of exploitation in the next 30 days; higher than 97% of CVEs (scores of 2026-10-31)