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CVE-2026-100368— CliInvoke.Specializations: Command injection in PowerShell and Cmd shell wrappers

Quick assessment

Affected
alastairlundy CliInvoke.Specializations
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.

漏洞描述翻译： CliInvoke 是一个用于调用命令行程序的 .NET 类库，其 包提供了针对 PowerShell 和 Windows 命令提示符（Cmd）等 Shell 的专业化封装。 以下版本的 ：2.2.0 至 2.8.4、2.9.0 至 2.9.3、2.10.0 至 2.10.4、3.0.0-alpha.1 至 3.0.0-alpha.4，以及 3.0.0-alpha.8 至 3.0.0-alpha.10， 以及以下版本的 ：1.0.0-rc.1 至 1.6.1.1， 在其 PowerShell 和 C

CVSS 8.4 · High EPSS 0.58% · P46

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter
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I. Basic Information for CVE-2026-100368

Vulnerability Information
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Vulnerability Title
CliInvoke.Specializations: Command injection in PowerShell and Cmd shell wrappers
Source: CVE Program / CVE List V5
Vulnerability Description
CliInvoke is a .NET library for invoking command-line programs, and its `CliInvoke.Specializations` packages provide specialized wrappers for shells such as PowerShell and Windows Command Prompt. `CliInvoke.Specializations` versions 2.2.0 through 2.8.4, 2.9.0 through 2.9.3, 2.10.0 through 2.10.4, 3.0.0-alpha.1 through 3.0.0-alpha.4, and 3.0.0-alpha.8 through 3.0.0-alpha.10, as well as `AlastairLundy.CliInvoke.Specializations` versions 1.0.0-rc.1 through 1.6.1.1, contain an OS command injection vulnerability in their PowerShell and Cmd wrappers. The wrappers pass a caller-controlled target and arguments to `pwsh -Command` or `cmd /c` using a single `ProcessStartInfo.Arguments` string, allowing a double quote in untrusted input to break operating-system-level quoting and cause the shell to execute an additional command with the host process's privileges. The vulnerability is patched in `CliInvoke.Specializations` versions 2.8.5, 2.9.4, 2.10.5, and 3.0.0-beta.1, and in `AlastairLundy.CliInvoke.Specializations` version 2.0.2. No complete workaround is available; users unable to upgrade should reject or remove double quotes from target paths and arguments, additionally reject shell metacharacters in versions 2.2.0 through 2.9.2 and 3.0.0-alpha.1 through 3.0.0-alpha.4, or bypass the PowerShell and Cmd wrappers and invoke target processes directly when handling untrusted input.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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
alastairlundy CliInvoke.Specializations >= 2.2.0, <= 2.8.4 -

II. Public POCs for CVE-2026-100368

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III. Intelligence Information for CVE-2026-100368

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Other References for CVE-2026-100368 (1)

IV. Related Vulnerabilities

Same vendor: alastairlundy
Same weakness: CWE-78

V. Comments for CVE-2026-100368

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