{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-18953", "assignerOrgId": "ff89ba41-3aa1-4d27-914a-91399e9639e5", "state": "PUBLISHED", "assignerShortName": "AMZN", "dateReserved": "2026-08-05T13:44:42.972Z", "datePublished": "2026-08-05T19:33:10.800Z", "dateUpdated": "2026-08-05T20:47:08.558Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "ff89ba41-3aa1-4d27-914a-91399e9639e5", "shortName": "AMZN", "dateUpdated": "2026-08-05T20:47:08.558Z"}, "title": "Improper limitation of a pathname to a restricted directory in aws-transform-mcp-server", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-22", "description": "CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')", "type": "CWE"}]}], "impacts": [{"capecId": "CAPEC-126", "descriptions": [{"lang": "en", "value": "CAPEC-126 Path Traversal"}]}], "affected": [{"vendor": "AWS", "product": "aws-transform-mcp-server", "versions": [{"status": "affected", "version": "0.1.0", "lessThanOrEqual": "0.1.4", "versionType": "custom"}], "defaultStatus": "unaffected"}], "cpeApplicability": [{"operator": "OR", "nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:aws:aws-transform-mcp-server:*:*:*:*:*:*:*:*", "versionStartIncluding": "0.1.0", "versionEndIncluding": "0.1.4"}]}]}], "descriptions": [{"lang": "en", "value": "Improper limitation of a pathname to a restricted directory in the get_resource tool in Amazon awslabs.aws-transform-mcp-server 0.1.0 through 0.1.4 might allow a context-dependent actor to write arbitrary files outside the intended working directory via the savePath parameter.\n\n\n\nTo remediate this issue, users should upgrade to version 0.1.5 or later.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>Improper limitation of a pathname to a restricted directory in the get_resource tool in Amazon awslabs.aws-transform-mcp-server 0.1.0 through 0.1.4 might allow a context-dependent actor to write arbitrary files outside the intended working directory via the savePath parameter.</p><p>To remediate this issue, users should upgrade to version 0.1.5 or later.</p>"}]}], "references": [{"url": "https://pypi.org/project/awslabs.aws-transform-mcp-server/0.1.5/", "tags": ["release-notes", "patch"]}, {"url": "https://aws.amazon.com/security/security-bulletins/2026-075-aws/", "tags": ["vendor-advisory"]}, {"url": "https://github.com/awslabs/mcp/security/advisories/GHSA-66mr-jr63-2jgw", "tags": ["release-notes"]}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "CHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseSeverity": "HIGH", "baseScore": 8.6, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H"}}, {"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV4_0": {"attackVector": "LOCAL", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "PASSIVE", "vulnConfidentialityImpact": "NONE", "subConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "NONE", "subIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "NONE", "subAvailabilityImpact": "HIGH", "exploitMaturity": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "version": "4.0", "baseSeverity": "MEDIUM", "baseScore": 6.3, "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:H/SI:H/SA:H"}}], "source": {"discovery": "UNKNOWN"}, "x_generator": {"engine": "Vulnogram 1.0.4"}}}}

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{"created": "2026-08-05T20:30:06.778175+00:00", "updated": "2026-08-05T20:30:06.778181+00:00", "vendors": []}