{"id":"CVE-2026-100368","title":"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","summary":"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.…","severity":"high","cvss":8.4,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-78"],"vendor":"alastairlundy","product":"CliInvoke.Specializations","affected":["CliInvoke.Specializations >= 2.2.0, <= 2.8.4","CliInvoke.Specializations >= 2.9.0, <= 2.9.3","CliInvoke.Specializations >= 2.10.0, <= 2.10.4","CliInvoke.Specializations >= 3.0.0-alpha.1, <= 3.0.0-alpha.4","CliInvoke.Specializations >= 3.0.0-alpha.8, <= 3.0.0-alpha.10","CliInvoke.Specializations >= 1.0.0-rc.1, <= 1.6.1.1"],"published":"2026-09-25","updated":"2026-09-25","sourceUpdated":"2026-09-25T20:17:05.990","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-100368","references":[{"url":"https://github.com/alastairlundy/CliInvoke/security/advisories/GHSA-wrvw-254r-wpmv","label":"security-advisories@github.com"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-100368"},{"url":"https://github.com/alastairlundy/CliInvoke/commit/1e98582f02eb43e345e5b97b8dd6ff9443806685"},{"url":"https://github.com/alastairlundy/CliInvoke/commit/2077e5239850e83dc9cc67ae6036dcd4e68a1876"},{"url":"https://github.com/alastairlundy/CliInvoke/releases/tag/2.10.5"},{"url":"https://github.com/alastairlundy/CliInvoke/releases/tag/3.0.0-beta.1"},{"url":"https://github.com/advisories/GHSA-wrvw-254r-wpmv"}],"tags":["nvd","cve.org","ghsa","nuget"],"ingestedAt":"2026-09-25T20:17:49.418Z","aliases":["GHSA-wrvw-254r-wpmv"],"ecosystem":"nuget","patched":["CliInvoke.Specializations 2.8.5","CliInvoke.Specializations 2.9.4","CliInvoke.Specializations 2.10.5","CliInvoke.Specializations 3.0.0-beta.1","CliInvoke.Specializations 3.0.0-beta.1","AlastairLundy.CliInvoke.Specializations 2.0.2"],"slug":"CVE-2026-100368","body":"## Overview\n\nCliInvoke 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Package advisory (CVE-2026-100368)\n\nAffected packages:\n\n- `CliInvoke.Specializations >= 2.2.0, <= 2.8.4`\n- `CliInvoke.Specializations >= 2.9.0, <= 2.9.3`\n- `CliInvoke.Specializations >= 2.10.0, <= 2.10.4`\n- `CliInvoke.Specializations >= 3.0.0-alpha.1, <= 3.0.0-alpha.4`\n- `CliInvoke.Specializations >= 3.0.0-alpha.8, <= 3.0.0-alpha.10`\n- `AlastairLundy.CliInvoke.Specializations >= 1.0.0-rc.1, <= 1.6.1.1`\n\nPatched in:\n\n- `CliInvoke.Specializations 2.8.5`\n- `CliInvoke.Specializations 2.9.4`\n- `CliInvoke.Specializations 2.10.5`\n- `CliInvoke.Specializations 3.0.0-beta.1`\n- `CliInvoke.Specializations 3.0.0-beta.1`\n- `AlastairLundy.CliInvoke.Specializations 2.0.2`\n\nSource: https://github.com/advisories/GHSA-wrvw-254r-wpmv","depth":"twilight","depthScore":46,"depthScoreParts":{"impact":46.2,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}