{"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":"2026-08-20T18:38:25.606Z"},"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"}},"adp":[{"references":[{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-64849","tags":["government-resource"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-20T03:55:29.820245Z","id":"CVE-2026-64849","options":[{"Exploitation":"active"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}},{"other":{"type":"kev","content":{"dateAdded":"2026-08-19","reference":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-64849"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-08-20T18:38:25.606Z"}}]}}