CVE-2026-46483— Vim: Command injection in tar#Vimuntar via missing shellescape {special} flag
Possible ATT&CK Techniques 1AI
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I. Basic Information for CVE-2026-46483
Vulnerability Information
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Vulnerability Title
Vim: Command injection in tar#Vimuntar via missing shellescape {special} flag
Source: NVD (National Vulnerability Database)
Vulnerability Description
Vim is an open source, command line text editor. Prior to 9.2.0479, a command injection vulnerability exists in tar#Vimuntar() in runtime/autoload/tar.vim when decompressing .tgz archives on Unix-like systems. The function builds :!gunzip and :!gzip -d commands using shellescape(tartail) without the {special} flag, allowing a crafted archive filename to trigger Vim cmdline-special expansion and execute shell commands in the user's context. This vulnerability is fixed in 9.2.0479.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N
Source: NVD (National Vulnerability Database)
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: NVD (National Vulnerability Database)
Vulnerability Title
Vim 操作系统命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Vim是Vim开源的一款跨平台的文本编辑器。 Vim 9.2.0479之前版本存在操作系统命令注入漏洞，该漏洞源于tar#Vimuntar在解压缩.tgz归档时使用shellescape(tartail)构建命令时未使用{special}标志，可能导致精心制作的归档文件名触发Vim cmdline-special扩展并在用户环境中执行shell命令。以下版本受到影响：9.2.0479之前版本。
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
II. Public POCs for CVE-2026-46483
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Patches & Fixes for CVE-2026-46483 (1)
Vendor Advisories for CVE-2026-46483 (1)
Vendor Pages for CVE-2026-46483 (1)
- 🔗 Release v9.2.0479 · vim/vim · GitHubx_refsource_MISC
IV. Related Vulnerabilities
Same product: vim
- CVE-2026-45130
Vim: Heap Buffer Overflow in spell file loading - CVE-2026-44656
Vim: OS Command Injection via 'path' completion - CVE-2026-42307
Vim: OS Command Injection in netrw - CVE-2026-41411
Vim: Command injection via backtick expansion in tag filenam - CVE-2026-39881
Vim Ex command injection in Vims NetBeans integration
Same vendor: vim
- CVE-2026-45130
Vim: Heap Buffer Overflow in spell file loading - CVE-2026-44656
Vim: OS Command Injection via 'path' completion - CVE-2026-42307
Vim: OS Command Injection in netrw - CVE-2026-41411
Vim: Command injection via backtick expansion in tag filenam - CVE-2026-39881
Vim Ex command injection in Vims NetBeans integration
Same weakness: CWE-78
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V. Comments for CVE-2026-46483
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