CVE-2026-100368

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{"affected": [{"affectedData": [{"product": "CliInvoke.Specializations", "vendor": "alastairlundy", "versions": [{"status": "affected", "version": ">= 2.2.0, <= 2.8.4"}, {"status": "affected", "version": ">= 2.9.0, <= 2.9.3"}, {"status": "affected", "version": ">= 2.10.0, <= 2.10.4"}, {"status": "affected", "version": ">= 3.0.0-alpha.1, <= 3.0.0-alpha.4"}, {"status": "affected", "version": ">= 3.0.0-alpha.8, <= 3.0.0-alpha.10"}, {"status": "affected", "version": ">= 1.0.0-rc.1, <= 1.6.1.1"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "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'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."}], "id": "CVE-2026-100368", "lastModified": "2026-09-30T19:57:08.043", "metrics": {"cvssMetricV31": [{"cvssData": {"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"}, "exploitabilityScore": 2.5, "impactScore": 5.9, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-100368", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-09-30T00:06:37.206021Z", "version": "2.0.3"}}]}, "published": "2026-09-25T20:17:05.990", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/alastairlundy/CliInvoke/security/advisories/GHSA-wrvw-254r-wpmv"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-78"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[2.2.0,2.8.4]"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[2.9.0,2.9.3]"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[2.10.0,2.10.4]"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[3.0.0-alpha.1,3.0.0-alpha.4]"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[3.0.0-alpha.8,3.0.0-alpha.10]"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[1.0.0-rc.1,1.6.1.1]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "CliInvoke.Specializations", "source": "cna", "vendor": "alastairlundy"}, "product": "cliinvoke.specializations", "vendor": "alastairlundy"}], "created": "2026-09-25T22:00:20.996867+00:00", "updated": "2026-09-26T22:18:55.572010+00:00", "vendors": ["alastairlundy", "alastairlundy$PRODUCT$cliinvoke.specializations"]}