{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-27190", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-02-18T19:47:02.154Z", "datePublished": "2026-02-20T20:52:11.468Z", "dateUpdated": "2026-02-20T20:52:11.468Z"}, "containers": {"cna": {"title": "Deno has a Command Injection via Incomplete shell metacharacter blocklist in node:child_process", "problemTypes": [{"descriptions": [{"cweId": "CWE-78", "lang": "en", "description": "CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}}], "references": [{"name": "https://github.com/denoland/deno/security/advisories/GHSA-hmh4-3xvx-q5hr", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/denoland/deno/security/advisories/GHSA-hmh4-3xvx-q5hr"}, {"name": "https://github.com/denoland/deno/commit/9132ad958c83a0d0b199de12b69b877f63edab4c", "tags": ["x_refsource_MISC"], "url": "https://github.com/denoland/deno/commit/9132ad958c83a0d0b199de12b69b877f63edab4c"}, {"name": "https://github.com/denoland/deno/releases/tag/v2.6.8", "tags": ["x_refsource_MISC"], "url": "https://github.com/denoland/deno/releases/tag/v2.6.8"}], "affected": [{"vendor": "denoland", "product": "deno", "versions": [{"version": "< 2.6.8", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-02-20T20:52:11.468Z"}, "descriptions": [{"lang": "en", "value": "Deno is a JavaScript, TypeScript, and WebAssembly runtime. Prior to 2.6.8, a command injection vulnerability exists in Deno's node:child_process implementation. This vulnerability is fixed in 2.6.8."}], "source": {"advisory": "GHSA-hmh4-3xvx-q5hr", "discovery": "UNKNOWN"}}}}

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{"cveTags": [], "descriptions": [{"lang": "en", "value": "Deno is a JavaScript, TypeScript, and WebAssembly runtime. Prior to 2.6.8, a command injection vulnerability exists in Deno's node:child_process implementation. This vulnerability is fixed in 2.6.8."}], "id": "CVE-2026-27190", "lastModified": "2026-02-20T21:19:28.090", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 5.9, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-02-20T21:19:28.090", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/denoland/deno/commit/9132ad958c83a0d0b199de12b69b877f63edab4c"}, {"source": "security-advisories@github.com", "url": "https://github.com/denoland/deno/releases/tag/v2.6.8"}, {"source": "security-advisories@github.com", "url": "https://github.com/denoland/deno/security/advisories/GHSA-hmh4-3xvx-q5hr"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-78"}], "source": "security-advisories@github.com", "type": "Primary"}]}

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