Arbitrary Code Execution Vulnerability in Vim Project by Vim Inc.
CVE-2026-51401

7.7HIGH

Key Information:

Vendor

Vim Inc.

Status
Vim Project
Vendor
CVE Published:
4 August 2026

What is CVE-2026-51401?

A security issue in Vim Project versions up to 9.2.0389 allows local attackers to execute arbitrary code by exploiting the vms_fixfilename() function. This vulnerability arises from improper handling of file names in the specific source file, posing a risk to system integrity. Users of the affected versions should prioritize upgrading to mitigate potential threats.

References

https://github.com/vim/vim
https://github.com/vim/vim/blob/master/src/os_vms.c
https://gist.github.com/jiejiaodedengdai/ff5d34a523167e09...

CVSS V3.1

Score:
7.7
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.