CVE-2026-51400: Vim vulnerability

Q: What is the severity of CVE-2026-51400?

CVE-2026-51400 has a risk rating of 44, indicating a moderate severity vulnerability.

Q: How do I fix CVE-2026-51400?

To fix CVE-2026-51400, update to Vim Project version 9.2.0390 or later.

Q: What can an attacker do with CVE-2026-51400?

An attacker can execute arbitrary code on the affected system by exploiting CVE-2026-51400.

Q: Which versions of Vim are affected by CVE-2026-51400?

Vim Project versions v9.2.0389 and earlier are affected by CVE-2026-51400.

Q: What function is responsible for the vulnerability in CVE-2026-51400?

The vms_fixfilename() function within the file vim/src/os_vms.c is responsible for the vulnerability in CVE-2026-51400.

Published Aug 4, 2026

Updated

An issue in Vim Project v9.2.0389 and earlier allows a local attacker to execute arbitrary code via the vmsfixfilename() function within file vim/src/osvms.c

Affected Software

1 affected component

vim<=9.2.0389

Event History

Aug 4, 2026

CVE Published

via MITRE·12:00 AM

Data Sourced

via MITRE·12:00 AM

Description

Data Sourced

via NVD·09:16 PM

Description

Frequently Asked Questions

What is the severity of CVE-2026-51400?

CVE-2026-51400 has a risk rating of 44, indicating a moderate severity vulnerability.

How do I fix CVE-2026-51400?

To fix CVE-2026-51400, update to Vim Project version 9.2.0390 or later.

What can an attacker do with CVE-2026-51400?

An attacker can execute arbitrary code on the affected system by exploiting CVE-2026-51400.

Which versions of Vim are affected by CVE-2026-51400?

Vim Project versions v9.2.0389 and earlier are affected by CVE-2026-51400.

What function is responsible for the vulnerability in CVE-2026-51400?

The vms_fixfilename() function within the file vim/src/os_vms.c is responsible for the vulnerability in CVE-2026-51400.

CVE-2026-51400: Vim vulnerability

Affected Software

Event History

Don't miss critical vulnerabilities

Frequently Asked Questions

What is the severity of CVE-2026-51400?

How do I fix CVE-2026-51400?

What can an attacker do with CVE-2026-51400?

Which versions of Vim are affected by CVE-2026-51400?

What function is responsible for the vulnerability in CVE-2026-51400?

Company

Resources

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Frequently Asked Questions

What is the severity of CVE-2026-51400?

How do I fix CVE-2026-51400?

What can an attacker do with CVE-2026-51400?

Which versions of Vim are affected by CVE-2026-51400?

What function is responsible for the vulnerability in CVE-2026-51400?