{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-64849", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-07-20T18:31:39.290Z", "datePublished": "2026-08-17T21:16:10.612Z", "dateUpdated": "2026-08-17T21:16:10.612Z"}, "containers": {"cna": {"title": "MLflow: Unauthenticated full-read SSRF in webhook delivery: _validate_webhook_url bypassed via unvalidated HTTP redirects (and DNS rebinding)", "problemTypes": [{"descriptions": [{"cweId": "CWE-918", "lang": "en", "description": "CWE-918: Server-Side Request Forgery (SSRF)", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 9.3, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N", "version": "3.1"}}], "references": [{"name": "https://github.com/mlflow/mlflow/security/advisories/GHSA-7gwp-5pfp-969j", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/mlflow/mlflow/security/advisories/GHSA-7gwp-5pfp-969j"}, {"name": "https://github.com/mlflow/mlflow/issues/24179", "tags": ["x_refsource_MISC"], "url": "https://github.com/mlflow/mlflow/issues/24179"}, {"name": "https://github.com/mlflow/mlflow/pull/24258", "tags": ["x_refsource_MISC"], "url": "https://github.com/mlflow/mlflow/pull/24258"}, {"name": "https://github.com/mlflow/mlflow/commit/ba949522477cbd5915aa55d29b0cfad7d5ddf939", "tags": ["x_refsource_MISC"], "url": "https://github.com/mlflow/mlflow/commit/ba949522477cbd5915aa55d29b0cfad7d5ddf939"}, {"name": "https://github.com/mlflow/mlflow/releases/tag/v3.15.0", "tags": ["x_refsource_MISC"], "url": "https://github.com/mlflow/mlflow/releases/tag/v3.15.0"}], "affected": [{"vendor": "mlflow", "product": "mlflow", "versions": [{"version": "< 3.15.0", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-08-17T21:16:10.612Z"}, "descriptions": [{"lang": "en", "value": "MLflow is an open source AI engineering platform for agents, large language models, and machine learning models. Prior to 3.15.0, the unauthenticated POST /api/2.0/mlflow/webhooks/{id}/test endpoint calls _validate_webhook_url() in mlflow/utils/validation.py only for the original URL while mlflow/webhooks/delivery.py follows redirects and re-resolves the hostname without pinning the validated address, allowing attackers to reach internal or cloud metadata services and receive response_status and response_body. This issue is fixed in version 3.15.0."}], "source": {"advisory": "GHSA-7gwp-5pfp-969j", "discovery": "UNKNOWN"}}}}

{}

{"affected": [{"affectedData": [{"product": "mlflow", "vendor": "mlflow", "versions": [{"status": "affected", "version": "< 3.15.0"}]}], "source": "[email protected]"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "MLflow is an open source AI engineering platform for agents, large language models, and machine learning models. Prior to 3.15.0, the unauthenticated POST /api/2.0/mlflow/webhooks/{id}/test endpoint calls _validate_webhook_url() in mlflow/utils/validation.py only for the original URL while mlflow/webhooks/delivery.py follows redirects and re-resolves the hostname without pinning the validated address, allowing attackers to reach internal or cloud metadata services and receive response_status and response_body. This issue is fixed in version 3.15.0."}], "id": "CVE-2026-64849", "lastModified": "2026-08-17T22:17:23.580", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 9.3, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 4.7, "source": "[email protected]", "type": "Secondary"}]}, "published": "2026-08-17T22:17:23.580", "references": [{"source": "[email protected]", "url": "https://github.com/mlflow/mlflow/commit/ba949522477cbd5915aa55d29b0cfad7d5ddf939"}, {"source": "[email protected]", "url": "https://github.com/mlflow/mlflow/issues/24179"}, {"source": "[email protected]", "url": "https://github.com/mlflow/mlflow/pull/24258"}, {"source": "[email protected]", "url": "https://github.com/mlflow/mlflow/releases/tag/v3.15.0"}, {"source": "[email protected]", "url": "https://github.com/mlflow/mlflow/security/advisories/GHSA-7gwp-5pfp-969j"}], "sourceIdentifier": "[email protected]", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-918"}], "source": "[email protected]", "type": "Primary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,3.15.0)"}}], "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": "2026-08-17T22:45:04.419945+00:00", "updated": "2026-08-17T22:45:04.419960+00:00", "vendors": ["mlflow", "mlflow$PRODUCT$mlflow"]}