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CVE-2026-73077— Vim: Arbitrary Code Execution via Shell Keyword Lookup

Quick assessment

Affected
vim vim
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Vim是Vim组织开源的一款高效的文本编辑器。 Vim 9.2.0839之前版本存在命令注入漏洞，该漏洞源于runtime/ftplugin/sh.vim、runtime/ftplugin/zsh.vim和runtime/ftplugin/ps1.vim文件类型插件将攻击者控制的Visual模式选择从K传递给keywordprg命令，未安全分隔shell参数，可能导致以运行Vim的用户权限执行任意操作系统命令。

CVSS 8.4 · High EPSS 0.14% · P3

Affected Version Matrix 1

VendorProduct Version RangeStatus
vim vim < 9.2.0839 affected
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I. Basic Information for CVE-2026-73077

Vulnerability Information
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Vulnerability Title
Vim: Arbitrary Code Execution via Shell Keyword Lookup
Source: CVE Program / CVE List V5
Vulnerability Description
Vim is an open source, command line text editor. Prior to 9.2.0839, the runtime/ftplugin/sh.vim, runtime/ftplugin/zsh.vim, and runtime/ftplugin/ps1.vim filetype plugins pass attacker-controlled Visual-mode selections from K through keywordprg commands without safely separating shell arguments. fnameescape() and PATH_ESC_CHARS do not neutralize shell metacharacters before ShKeywordPrg, ZshKeywordPrg, or GetHelp invokes bash, zsh, or PowerShell, allowing arbitrary operating-system commands to execute with the privileges of the user running Vim. This issue is fixed in version 9.2.0839.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
OS命令中使用的特殊元素转义处理不恰当(OS命令注入)
Source: CVE Program / CVE List V5
Vulnerability Title
Vim 命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Vim是Vim组织开源的一款高效的文本编辑器。 Vim 9.2.0839之前版本存在命令注入漏洞，该漏洞源于runtime/ftplugin/sh.vim、runtime/ftplugin/zsh.vim和runtime/ftplugin/ps1.vim文件类型插件将攻击者控制的Visual模式选择从K传递给keywordprg命令，未安全分隔shell参数，可能导致以运行Vim的用户权限执行任意操作系统命令。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
vim vim < 9.2.0839 -

II. Public POCs for CVE-2026-73077

# POC Description Source Link Shenlong Link
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Qwen3.6-35B-A3B · 6426 chars
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III. Intelligence Information for CVE-2026-73077

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Patches & Fixes for CVE-2026-73077 (1)

Vendor Advisories for CVE-2026-73077 (1)

Same Patch Batch · vim · 2026-08-11 · 8 CVEs total

CVE-2026-73078 8.6 HIGH Vim: Arbitrary Code Execution via Netrw Menu Construction
CVE-2026-73072 8.5 HIGH Vim: Heap Buffer Overflow when Loading a Spell File
CVE-2026-73076 8.4 HIGH Vim: Arbitrary Command Execution via Malicious `.VimballRecord` Entry Replay in `vimball.v
CVE-2026-73074 7.1 HIGH Vim: Heap Buffer Overflow in Text Property Handling
CVE-2026-73070 6.8 MEDIUM Vim: Stack Buffer Overflow in the Vim Socket Server
CVE-2026-73075 4.6 MEDIUM Vim: Out-of-bounds Access in Popup Opacity Handling
CVE-2026-73071 3.3 LOW Vim: Use-after-free in JSON Decoding

IV. Related Vulnerabilities

Same product: vim
Same vendor: vim
Same weakness: CWE-78

V. Comments for CVE-2026-73077

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