{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-57496", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-06-24T14:53:40.111Z", "datePublished": "2026-10-15T18:40:16.558Z", "dateUpdated": "2026-10-15T18:40:16.558Z"}, "containers": {"cna": {"title": "NetLicensing MCP Server: REST Path Traversal Bypasses Token Redaction", "problemTypes": [{"descriptions": [{"cweId": "CWE-22", "lang": "en", "description": "CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 9.6, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N", "version": "3.1"}}], "references": [{"name": "https://github.com/Labs64/NetLicensing-MCP/security/advisories/GHSA-hxpf-9xvq-wph8", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/Labs64/NetLicensing-MCP/security/advisories/GHSA-hxpf-9xvq-wph8"}, {"name": "https://github.com/Labs64/NetLicensing-MCP/pull/6", "tags": ["x_refsource_MISC"], "url": "https://github.com/Labs64/NetLicensing-MCP/pull/6"}, {"name": "https://github.com/Labs64/NetLicensing-MCP/commit/b8fd0ea76d533202573eb24add9fb2fbd9331496", "tags": ["x_refsource_MISC"], "url": "https://github.com/Labs64/NetLicensing-MCP/commit/b8fd0ea76d533202573eb24add9fb2fbd9331496"}, {"name": "https://github.com/Labs64/NetLicensing-MCP/releases/tag/0.1.8", "tags": ["x_refsource_MISC"], "url": "https://github.com/Labs64/NetLicensing-MCP/releases/tag/0.1.8"}], "affected": [{"vendor": "Labs64", "product": "NetLicensing-MCP", "versions": [{"version": "< 0.1.8", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-10-15T18:40:16.558Z"}, "descriptions": [{"lang": "en", "value": "NetLicensing MCP Server is a natural-language interface that enables agentic applications to manage the software-licensing lifecycle in Labs64 NetLicensing. Prior to 0.1.8, netlicensing_get_product passes the caller-controlled product_number to src/netlicensing_mcp/tools/products.py, which interpolates it into a REST path consumed by nl_get() in src/netlicensing_mcp/client.py without path-segment validation. A traversal segment can be normalized from the intended product path to the /token endpoint, after which the response is serialized through _wrap_json instead of _wrap_json_token_read, bypassing redact_token_read() protections for APIKEY number and SHOP shopURL fields. An authenticated MCP client with a non-administrative API key can retrieve plaintext token values, and a recovered administrative token can provide broad read, write, and delete access to the NetLicensing account. This issue is fixed in version 0.1.8."}], "source": {"advisory": "GHSA-hxpf-9xvq-wph8", "discovery": "UNKNOWN"}}}}

{}

{"affected": [{"affectedData": [{"product": "NetLicensing-MCP", "vendor": "Labs64", "versions": [{"status": "affected", "version": "< 0.1.8"}]}], "source": "[email protected]"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "NetLicensing MCP Server is a natural-language interface that enables agentic applications to manage the software-licensing lifecycle in Labs64 NetLicensing. Prior to 0.1.8, netlicensing_get_product passes the caller-controlled product_number to src/netlicensing_mcp/tools/products.py, which interpolates it into a REST path consumed by nl_get() in src/netlicensing_mcp/client.py without path-segment validation. A traversal segment can be normalized from the intended product path to the /token endpoint, after which the response is serialized through _wrap_json instead of _wrap_json_token_read, bypassing redact_token_read() protections for APIKEY number and SHOP shopURL fields. An authenticated MCP client with a non-administrative API key can retrieve plaintext token values, and a recovered administrative token can provide broad read, write, and delete access to the NetLicensing account. This issue is fixed in version 0.1.8."}], "id": "CVE-2026-57496", "lastModified": "2026-10-15T19:17:41.733", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 9.6, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 3.1, "impactScore": 5.8, "source": "[email protected]", "type": "Secondary"}]}, "published": "2026-10-15T19:17:41.733", "references": [{"source": "[email protected]", "url": "https://github.com/Labs64/NetLicensing-MCP/commit/b8fd0ea76d533202573eb24add9fb2fbd9331496"}, {"source": "[email protected]", "url": "https://github.com/Labs64/NetLicensing-MCP/pull/6"}, {"source": "[email protected]", "url": "https://github.com/Labs64/NetLicensing-MCP/releases/tag/0.1.8"}, {"source": "[email protected]", "url": "https://github.com/Labs64/NetLicensing-MCP/security/advisories/GHSA-hxpf-9xvq-wph8"}], "sourceIdentifier": "[email protected]", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-22"}], "source": "[email protected]", "type": "Primary"}]}

{}

{}