RCE in Vim

CVE-2026-42307

Vim is an open source, command line text editor. Prior to version 9.2.0383, an OS command injection vulnerability exists in the netrw standard plugin bundled with Vim. By inducing a user to open a crafted URL (e.g., using the sftp:// or file:// protocol handlers), an attacker can execute arbitrary shell commands with the privileges of the Vim process. This issue has been patched in version 9.2.0383.

Vulnerability class: Command Injection (OS Command Injection)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 4.4 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.012 (66.2th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 66th percentile — 66.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-42307: held from 0.008 to 0.012.

EPSS over last 30 days · oldest: 0.008 · newest: 0.012 · change: +0.004

Affected products

  • Vim — versions < 9.2.0383

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-42307?
CVE-2026-42307 is a medium-severity vulnerability in Vim, classified under OS Command Injection. CVSS score: 4.4/10. Published 2026-05-08.
How severe is CVE-2026-42307?
Medium severity. CVSS v3 base score is 4.4 out of 10.