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CVE-2026-112943— launch-editor: escapeCmdArgs() omits % escaping on Windows

Quick assessment

Affected
vitejs launch-editor
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

允许用户从 Node.js 中通过编辑器打开带有行号的文件。在 2.14.2 版本之前， 在向 Windows 的 传递参数时未对 字符进行转义。当环境变量包含恶意值时，可能导致该内容被执行。此漏洞已在 2.14.2 版本中修复。

CVSS 6.3 · Medium

Possible ATT&CK Techniques 1 AI

T1059.001 · PowerShell

Affected Version Matrix 7

VendorProduct Version RangeStatus
vitejs launch-editor < 2.14.2 affected
vitejs vite >= 8.3.0, < 8.3.3 affected
>= 8.2.0, < 8.2.4 affected
>= 8.0.0, < 8.1.6 affected
>= 7.0.0, < 7.3.7 affected
< 6.4.4 affected
vitejs vite-plus < 1.1.0 affected
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I. Basic Information for CVE-2026-112943

Vulnerability Information
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Vulnerability Title
launch-editor: escapeCmdArgs() omits % escaping on Windows
Source: CVE Program / CVE List V5
Vulnerability Description
launch-editor allows users to open files with line numbers in editor from Node.js. Prior to 2.14.2, launch-editor did not escape % on Windows when passing an argument to cmd. When an environment variable contained a malicious value, it was possible that that content to be executed. This vulnerability is fixed in 2.14.2.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:L/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

Affected Products

Vendor Product Affected Versions CPE Subscribe
vitejs launch-editor < 2.14.2 -
vitejs vite >= 8.3.0, < 8.3.3 -
vitejs vite-plus < 1.1.0 -

II. Public POCs for CVE-2026-112943

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-112943

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Patches & Fixes for CVE-2026-112943 (2)

Vendor Advisories for CVE-2026-112943 (1)

Vendor Pages for CVE-2026-112943 (1)

Same Patch Batch · vitejs · 2026-10-20 · 6 CVEs total

CVE-2026-112942 7.5 HIGH launch-editor: `fs.existsSync()` existence check can be bypassed on Windows
CVE-2026-112944 6.3 MEDIUM launch-editor: Editor CLI flag misinterpretation causing arbitrary command execution for s
CVE-2026-112947 6.3 MEDIUM Vite: First 4 bytes of files outside of `server.fs` setting is exposed by `?vite-wasm-inst
CVE-2026-112946 6.3 MEDIUM Vite: Files outside `server.fs.allow` could be served when project paths match system path
CVE-2026-112945 2.1 LOW Vite: Cross origin script execution through Vite custom middleware

IV. Related Vulnerabilities

Same product: launch-editor
Same vendor: vitejs
Same weakness: CWE-78

V. Comments for CVE-2026-112943

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