SB2026042335 - OS Command Injection in Vim

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Main Vulnerability Database SB2026042335

SB2026042335 - OS Command Injection in Vim

Published: April 23, 2026 Updated: May 27, 2026

Security Bulletin ID SB2026042335
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) OS Command Injection (CVE-ID: CVE-2026-42307)

CWE-ID: CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to execute arbitrary shell commands.

The vulnerability exists due to improper neutralization of special elements used in an OS command in the netrw standard plugin function s:GetTempfile() when processing crafted local or remote URLs. A remote attacker can trick the victim into opening a crafted URL to execute arbitrary shell commands.

User interaction is required to open a crafted URL, and the injected payload is typically visible in the filename.


Remediation

Install update from vendor's website.

References