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4 vulnerabilities by alastairlundy
CVE-2026-100369 (GCVE-0-2026-100369)
Vulnerability from nvd – Published: 2026-09-25 20:26 – Updated: 2026-09-28 13:42
VLAI
EPSS
VEX
Title
CliInvoke: Argument Injection in Extensibility Runner Factory
Summary
CliInvoke and its formerly named `AlastairLundy.CliInvoke` package are .NET libraries for invoking command-line programs and wrapping executable processes. `CliInvoke` versions 2.0.0 through 2.8.4, 2.9.0 through 2.9.3, 2.10.0 through 2.10.4, and 3.0.0-alpha.1 through 3.0.0-beta.1, as well as `AlastairLundy.CliInvoke` versions 2.0.0-alpha.1 through 2.0.0, contain an argument-injection vulnerability in `RunnerProcessFactory` on the 2.x line and `RunnerConfigurationFactory` on the 3.x line. These factories combine runner arguments, a caller-controlled target, and caller-controlled arguments into one `ProcessStartInfo.Arguments` string, allowing a double quote in the target or an argument to terminate an operating-system-level quoted region and inject unintended elements into the runner’s argument vector, potentially resulting in arbitrary command execution when a shell runner is used. The vulnerability is patched in `CliInvoke` versions 2.8.5, 2.9.4, 2.10.5, and 3.0.0-beta.2, and in `AlastairLundy.CliInvoke` version 2.0.2. No complete workaround is available; users unable to upgrade can partially mitigate the issue by removing double quotes from targets and arguments, additionally removing shell metacharacters when using shell runners, or bypassing the vulnerable factory and constructing a `ProcessConfiguration` with an explicit `ArgumentList`.
Severity
8.4 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-28 13:42 UTC
CWE
- CWE-88 - Improper Neutralization of Argument Delimiters in a Command ('Argument Injection')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/alastairlundy/CliInvoke/securi… | x_refsource_CONFIRM |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| alastairlundy | CliInvoke |
Affected:
>= 2.0.0, <= 2.8.4
Affected: >= 2.9.0, <= 2.9.3 Affected: >= 2.10.0, <= 2.10.4 Affected: >= 3.0.0-alpha.1, <= 3.0.0-beta.1 |
|
| alastairlundy | AlastairLundy.CliInvoke |
Affected:
>= 2.0.0-alpha.1, <= 2.0.0
|
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CVE-2026-100368 (GCVE-0-2026-100368)
Vulnerability from nvd – Published: 2026-09-25 19:53 – Updated: 2026-09-25 19:53
VLAI
EPSS
VEX
Title
CliInvoke.Specializations: Command injection in PowerShell and Cmd shell wrappers
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 2.2.0 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.
Severity
8.4 (High)
CWE
- CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/alastairlundy/CliInvoke/securi… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| alastairlundy | CliInvoke.Specializations |
Affected:
>= 2.2.0, <= 2.8.4
Affected: >= 2.9.0, <= 2.9.3 Affected: >= 2.10.0, <= 2.10.4 Affected: >= 3.0.0-alpha.1, <= 3.0.0-alpha.4 Affected: >= 3.0.0-alpha.8, <= 3.0.0-alpha.10 Affected: >= 1.0.0-rc.1, <= 1.6.1.1 |
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CVE-2026-100369 (GCVE-0-2026-100369)
Vulnerability from cvelistv5 – Published: 2026-09-25 20:26 – Updated: 2026-09-28 13:42
VLAI
EPSS
VEX
Title
CliInvoke: Argument Injection in Extensibility Runner Factory
Summary
CliInvoke and its formerly named `AlastairLundy.CliInvoke` package are .NET libraries for invoking command-line programs and wrapping executable processes. `CliInvoke` versions 2.0.0 through 2.8.4, 2.9.0 through 2.9.3, 2.10.0 through 2.10.4, and 3.0.0-alpha.1 through 3.0.0-beta.1, as well as `AlastairLundy.CliInvoke` versions 2.0.0-alpha.1 through 2.0.0, contain an argument-injection vulnerability in `RunnerProcessFactory` on the 2.x line and `RunnerConfigurationFactory` on the 3.x line. These factories combine runner arguments, a caller-controlled target, and caller-controlled arguments into one `ProcessStartInfo.Arguments` string, allowing a double quote in the target or an argument to terminate an operating-system-level quoted region and inject unintended elements into the runner’s argument vector, potentially resulting in arbitrary command execution when a shell runner is used. The vulnerability is patched in `CliInvoke` versions 2.8.5, 2.9.4, 2.10.5, and 3.0.0-beta.2, and in `AlastairLundy.CliInvoke` version 2.0.2. No complete workaround is available; users unable to upgrade can partially mitigate the issue by removing double quotes from targets and arguments, additionally removing shell metacharacters when using shell runners, or bypassing the vulnerable factory and constructing a `ProcessConfiguration` with an explicit `ArgumentList`.
Severity
8.4 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-28 13:42 UTC
CWE
- CWE-88 - Improper Neutralization of Argument Delimiters in a Command ('Argument Injection')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/alastairlundy/CliInvoke/securi… | x_refsource_CONFIRM |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| alastairlundy | CliInvoke |
Affected:
>= 2.0.0, <= 2.8.4
Affected: >= 2.9.0, <= 2.9.3 Affected: >= 2.10.0, <= 2.10.4 Affected: >= 3.0.0-alpha.1, <= 3.0.0-beta.1 |
|
| alastairlundy | AlastairLundy.CliInvoke |
Affected:
>= 2.0.0-alpha.1, <= 2.0.0
|
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CVE-2026-100368 (GCVE-0-2026-100368)
Vulnerability from cvelistv5 – Published: 2026-09-25 19:53 – Updated: 2026-09-25 19:53
VLAI
EPSS
VEX
Title
CliInvoke.Specializations: Command injection in PowerShell and Cmd shell wrappers
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 2.2.0 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.
Severity
8.4 (High)
CWE
- CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/alastairlundy/CliInvoke/securi… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| alastairlundy | CliInvoke.Specializations |
Affected:
>= 2.2.0, <= 2.8.4
Affected: >= 2.9.0, <= 2.9.3 Affected: >= 2.10.0, <= 2.10.4 Affected: >= 3.0.0-alpha.1, <= 3.0.0-alpha.4 Affected: >= 3.0.0-alpha.8, <= 3.0.0-alpha.10 Affected: >= 1.0.0-rc.1, <= 1.6.1.1 |
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},
{
"status": "affected",
"version": "\u003e= 3.0.0-alpha.8, \u003c= 3.0.0-alpha.10"
},
{
"status": "affected",
"version": "\u003e= 1.0.0-rc.1, \u003c= 1.6.1.1"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "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\u0027s 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."
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 8.4,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-78",
"description": "CWE-78: Improper Neutralization of Special Elements used in an OS Command (\u0027OS Command Injection\u0027)",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-09-25T19:53:56.299Z",
"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"shortName": "GitHub_M"
},
"references": [
{
"name": "https://github.com/alastairlundy/CliInvoke/security/advisories/GHSA-wrvw-254r-wpmv",
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://github.com/alastairlundy/CliInvoke/security/advisories/GHSA-wrvw-254r-wpmv"
}
],
"source": {
"advisory": "GHSA-wrvw-254r-wpmv",
"discovery": "UNKNOWN"
},
"title": "CliInvoke.Specializations: Command injection in PowerShell and Cmd shell wrappers"
}
},
"cveMetadata": {
"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"assignerShortName": "GitHub_M",
"cveId": "CVE-2026-100368",
"datePublished": "2026-09-25T19:53:56.299Z",
"dateReserved": "2026-09-25T19:19:54.698Z",
"dateUpdated": "2026-09-25T19:53:56.299Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}