{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-116690", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-10-26T20:00:59.830Z", "datePublished": "2026-10-27T19:42:35.798Z", "dateUpdated": "2026-10-27T19:42:35.798Z"}, "containers": {"cna": {"title": "MLflow: Arbitrary file read on unauthenticated MLflow servers via prompt model version source", "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": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}}], "references": [{"name": "https://github.com/mlflow/mlflow/security/advisories/GHSA-m65p-9j7q-6w33", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/mlflow/mlflow/security/advisories/GHSA-m65p-9j7q-6w33"}, {"name": "https://github.com/mlflow/mlflow/pull/25870", "tags": ["x_refsource_MISC"], "url": "https://github.com/mlflow/mlflow/pull/25870"}, {"name": "https://github.com/mlflow/mlflow/commit/81730a2ce4ebcd60d5d18f68c96f422ad7e30772", "tags": ["x_refsource_MISC"], "url": "https://github.com/mlflow/mlflow/commit/81730a2ce4ebcd60d5d18f68c96f422ad7e30772"}, {"name": "https://github.com/mlflow/mlflow/releases/tag/v3.17.0", "tags": ["x_refsource_MISC"], "url": "https://github.com/mlflow/mlflow/releases/tag/v3.17.0"}], "affected": [{"vendor": "mlflow", "product": "mlflow", "versions": [{"version": ">= 3.10.0, < 3.17.0", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-10-27T19:42:35.798Z"}, "descriptions": [{"lang": "en", "value": "MLflow is an open source AI engineering platform for agents, large language models, and machine learning models. From 3.10.0 until 3.17.0, the prompt branch in _create_model_version() accepts schemeless relative sources because path validation runs only when a source has a URL scheme, and mlflow.prompt.is_prompt is interpreted by tag presence rather than a true value. A remote caller can store a server-local path as the model version artifact location and use /api/2.0/mlflow/model-versions/get-artifact to read files accessible to the MLflow server process. Default unauthenticated servers require no privileges, while basic-auth deployments are exposed to authenticated users who can create registered models. This issue is fixed in version 3.17.0."}], "source": {"advisory": "GHSA-m65p-9j7q-6w33", "discovery": "UNKNOWN"}}}}

{}

{"affected": [{"affectedData": [{"product": "mlflow", "vendor": "mlflow", "versions": [{"status": "affected", "version": ">= 3.10.0, < 3.17.0"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "MLflow is an open source AI engineering platform for agents, large language models, and machine learning models. From 3.10.0 until 3.17.0, the prompt branch in _create_model_version() accepts schemeless relative sources because path validation runs only when a source has a URL scheme, and mlflow.prompt.is_prompt is interpreted by tag presence rather than a true value. A remote caller can store a server-local path as the model version artifact location and use /api/2.0/mlflow/model-versions/get-artifact to read files accessible to the MLflow server process. Default unauthenticated servers require no privileges, while basic-auth deployments are exposed to authenticated users who can create registered models. This issue is fixed in version 3.17.0."}], "id": "CVE-2026-116690", "lastModified": "2026-10-27T20:17:14.340", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-10-27T20:17:14.340", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/mlflow/mlflow/commit/81730a2ce4ebcd60d5d18f68c96f422ad7e30772"}, {"source": "security-advisories@github.com", "url": "https://github.com/mlflow/mlflow/pull/25870"}, {"source": "security-advisories@github.com", "url": "https://github.com/mlflow/mlflow/releases/tag/v3.17.0"}, {"source": "security-advisories@github.com", "url": "https://github.com/mlflow/mlflow/security/advisories/GHSA-m65p-9j7q-6w33"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-22"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[3.10.0,3.17.0)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "mlflow", "source": "cna", "vendor": "mlflow"}, "product": "mlflow", "vendor": "mlflow"}], "created": "2026-10-27T20:45:08.336394+00:00", "updated": "2026-10-27T21:15:08.697934+00:00", "vendors": ["mlflow", "mlflow$PRODUCT$mlflow"]}