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Vim < 9.2.0561 Code Injection (GHSA-52mc-rq6p-rc7c)

high Nessus Plugin ID 321506

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Synopsis

The remote host is missing a security update.

Description

The version of Vim installed on the remote host is prior to 9.2.0561. It is, therefore, affected by a vulnerability as referenced in the GHSA-52mc-rq6p-rc7c advisory.

 - The Python omni-completion script (python3complete.vim) for Vim with the +python3 interpreter enabled executes import and from statements found in the current buffer through Python's import machinery. Because the buffer's working directory is on sys.path, opening a hostile .py file with a sibling Python package and invoking omni-completion runs that package's top-level code as the editing user, leading to arbitrary code execution. (CVE-2026-52858)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Upgrade to Vim version 9.2.0561 or later.

See Also

http://www.nessus.org/u?85302c9c

Plugin Details

Severity: High

ID: 321506

File Name: vim_9_2_0561.nasl

Version: 1.3

Type: Local

Agent: windows, macosx, unix

Family: Misc.

Published: 6/18/2026

Updated: 6/24/2026

Configuration: Enable thorough checks (optional)

Supported Sensors: Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 57.97

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 5.3

Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C

CVSS Score Source: CVE-2026-52858

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.8

Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

CVSS v4

Risk Factor: High

Base Score: 7.3

Threat Score: 4.4

Threat Vector: CVSS:4.0/E:U

Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Vulnerability Information

CPE: cpe:/a:vim:vim

Required KB Items: installed_sw/Vim

Exploit Ease: No known exploits are available

Patch Publication Date: 5/31/2026

Vulnerability Publication Date: 5/31/2026

Reference Information

CVE: CVE-2026-52858

IAVA: 2026-A-0619