{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-119287", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-10-29T18:50:28.065Z", "datePublished": "2026-10-30T15:39:52.468Z", "dateUpdated": "2026-10-30T15:39:52.468Z"}, "containers": {"cna": {"title": "Zuke: Command-form registry descriptors bypass the MCP launch policy", "problemTypes": [{"descriptions": [{"cweId": "CWE-862", "lang": "en", "description": "CWE-862: Missing Authorization", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}}], "references": [{"name": "https://github.com/zuke-build/zuke/security/advisories/GHSA-2rmh-5cw4-33gr", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/zuke-build/zuke/security/advisories/GHSA-2rmh-5cw4-33gr"}, {"name": "https://github.com/zuke-build/zuke/pull/542", "tags": ["x_refsource_MISC"], "url": "https://github.com/zuke-build/zuke/pull/542"}, {"name": "https://github.com/zuke-build/zuke/commit/4257b0bc5ef5e387a44f913349646d4baccd1654", "tags": ["x_refsource_MISC"], "url": "https://github.com/zuke-build/zuke/commit/4257b0bc5ef5e387a44f913349646d4baccd1654"}, {"name": "https://github.com/zuke-build/zuke/releases/tag/core-v1.51.0", "tags": ["x_refsource_MISC"], "url": "https://github.com/zuke-build/zuke/releases/tag/core-v1.51.0"}], "affected": [{"vendor": "zuke-build", "product": "zuke", "versions": [{"version": "< 1.51.0", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-10-30T15:39:52.468Z"}, "descriptions": [{"lang": "en", "value": "Zuke is a code-first, strongly typed build automation system for Deno. Prior to 1.51.0, the @zuke/core MCP registry mode accepts command-form registry descriptors without applying the ZUKE_REGISTRY_LAUNCH_HOSTS authorization enforced for remote module descriptors. When zuke mcp --registry --allow-run reads a registry writable by another party and a run-capable caller invokes the affected tool, the registry writer can choose the program and arguments executed with the operator's environment and workspace access. The --allow-run and --protect name globs do not contain the issue because the descriptor supplies those names, and the optional destructive confirmation displays a description controlled by the same writer. The local default registry populated only through zuke register is not affected because that command writes module-form descriptors. This issue is fixed in version 1.51.0."}], "source": {"advisory": "GHSA-2rmh-5cw4-33gr", "discovery": "UNKNOWN"}}}}

{}

{"affected": [{"affectedData": [{"product": "zuke", "vendor": "zuke-build", "versions": [{"status": "affected", "version": "< 1.51.0"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Zuke is a code-first, strongly typed build automation system for Deno. Prior to 1.51.0, the @zuke/core MCP registry mode accepts command-form registry descriptors without applying the ZUKE_REGISTRY_LAUNCH_HOSTS authorization enforced for remote module descriptors. When zuke mcp --registry --allow-run reads a registry writable by another party and a run-capable caller invokes the affected tool, the registry writer can choose the program and arguments executed with the operator's environment and workspace access. The --allow-run and --protect name globs do not contain the issue because the descriptor supplies those names, and the optional destructive confirmation displays a description controlled by the same writer. The local default registry populated only through zuke register is not affected because that command writes module-form descriptors. This issue is fixed in version 1.51.0."}], "id": "CVE-2026-119287", "lastModified": "2026-10-30T17:13:54.187", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.0, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.1, "impactScore": 5.9, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-10-30T16:17:42.723", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/zuke-build/zuke/commit/4257b0bc5ef5e387a44f913349646d4baccd1654"}, {"source": "security-advisories@github.com", "url": "https://github.com/zuke-build/zuke/pull/542"}, {"source": "security-advisories@github.com", "url": "https://github.com/zuke-build/zuke/releases/tag/core-v1.51.0"}, {"source": "security-advisories@github.com", "url": "https://github.com/zuke-build/zuke/security/advisories/GHSA-2rmh-5cw4-33gr"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-862"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

{"created": "2026-10-30T16:30:16.124830+00:00", "updated": "2026-10-30T16:30:16.124844+00:00", "vendors": []}