CVE-2026-47167CWE-94CWE-95

Vim: Vimscript Code Injection in cucumber filetype plugin via crafted step-definition regex

Medium · published June 11, 2026

CVSS v4.0
5.1
EPSS
0%
Percentile
2.7
In the wild
Unconfirmed
What it is

Vim is an open source, command line text editor. Prior to version 9.2.0496, a code injection vulnerability exists in s:stepmatch() in the cucumber filetype plugin (runtime/ftplugin/cucumber.vim) on Vim builds with +ruby support. Step-definition patterns read from .rb files under the repository's features/*/ or stories/*/ directories are embedded into a Ruby Kernel.eval argument without sufficient escaping, allowing a crafted pattern in an attacker-controlled repository to execute arbitrary Ruby (and through it arbitrary shell commands) when the user invokes a step-jump mapping ([d, ]d). This issue has been patched in version 9.2.0496.

The record
Technical detail
CVSS v4.0
5.1 · MEDIUM
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N
EPSS
0.00135 · 2.7th percentile
Weaknesses
CWE-94 · Improper Control of Generation of Code ('Code Injection'); CWE-95 · Improper Neutralization of Directives in Dynamically Evaluated Code ('Eval Injection')
Published
2026-06-11T18:31Z
EPSS history
Timeline
  • 11 JUN 18:31Z
    Vim: Vimscript Code Injection in cucumber filetype plugin via crafted step-definition regex
    cvelistv5