{"schema":"threatline.record/2","record":{"id":"CVE-2026-64849","aliases":["BIT-mlflow-2026-64849","GHSA-7gwp-5pfp-969j","PYSEC-2026-3687"],"summary":"MLflow Server-Side Request Forgery Vulnerability","details":"MLflow contains a server-side request forgery vulnerability that can allow attackers to reach internal or cloud metadata services and receive response_status and response_body.","categories":["Libraries & packages"],"product":"MLflow","vendor":"MLflow","ecosystem":"pip","affected_ranges":[{"source":"GitHub Advisory Database","source_url":"https://github.com/advisories/GHSA-7gwp-5pfp-969j","source_modified_at":"2026-10-02T18:21:52Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"ecosystem":"pip","name":"mlflow"},"range":">= 3.3.0, < 3.15.0"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-64849","source_modified_at":"2026-10-02T18:22:19.974Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"mlflow","vendor":"mlflow","versions":[{"status":"affected","version":">= 3.3.0, < 3.15.0"}],"defaultStatus":null},{"source":"OSV","source_url":"https://osv.dev/vulnerability/GHSA-7gwp-5pfp-969j","source_modified_at":"2026-10-02T18:30:39.856988982Z","fetched_at":"2026-10-23T18:45:31.882637Z","package":{"name":"mlflow","ecosystem":"PyPI","purl":"pkg:pypi/mlflow"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"3.3.0"},{"fixed":"3.15.0"}]}],"versions":["3.10.0","3.10.0rc0","3.10.1","3.11.0","3.11.0rc0","3.11.0rc1","3.11.1","3.12.0","3.12.0rc0","3.13.0","3.13.0rc0","3.14.0","3.3.0","3.3.1","3.3.2","3.4.0","3.4.0rc0","3.5.0","3.5.0rc0","3.5.1","3.6.0","3.6.0rc0","3.7.0","3.7.0rc0","3.8.0","3.8.0rc0","3.8.1","3.9.0","3.9.0rc0"]}],"fixed_versions":[{"source":"GitHub Advisory Database","source_url":"https://github.com/advisories/GHSA-7gwp-5pfp-969j","source_modified_at":"2026-10-02T18:21:52Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"ecosystem":"pip","name":"mlflow"},"version":"3.15.0"},{"source":"OSV","source_url":"https://osv.dev/vulnerability/GHSA-7gwp-5pfp-969j","source_modified_at":"2026-10-02T18:30:39.856988982Z","fetched_at":"2026-10-23T18:45:31.882637Z","package":{"name":"mlflow","ecosystem":"PyPI","purl":"pkg:pypi/mlflow"},"version":"3.15.0"}],"cvss":9.3,"severity":"Critical","kev":{"listed":true,"date_added":"2026-08-19","due_date":"2026-09-02","required_action":"Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.","ransomware_campaign_use":"Unknown"},"epss":{"probability":0.10017,"percentile":0.95614,"score_date":"2026-10-23"},"published_at":"2026-08-17T21:16:10.612Z","modified_at":"2026-10-02T18:30:39.856988982Z","provenance":[{"source":"CISA KEV","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23T17:00:09.9001Z"},{"source":"GitHub Advisory Database","url":"https://github.com/advisories/GHSA-7gwp-5pfp-969j","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-02T18:21:52Z"},{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-64849","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-02T18:22:19.974Z"},{"source":"OSV","url":"https://osv.dev/vulnerability/GHSA-7gwp-5pfp-969j","fetched_at":"2026-10-23T18:45:31.882637Z","source_modified_at":"2026-10-02T18:30:39.856988982Z"},{"source":"Nuclei","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2026/CVE-2026-64849.yaml","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":null},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-64849","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CISA KEV","GitHub Advisory Database","CVE List","OSV","Nuclei","EPSS"],"references":[{"source":"CVE List","url":"https://github.com/mlflow/mlflow/pull/24258","tags":["x_refsource_MISC"]},{"source":"CVE List","url":"https://github.com/mlflow/mlflow/issues/24179","tags":["x_refsource_MISC"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-64849","source":"GitHub Advisory Database"},{"source":"CVE List","url":"https://github.com/mlflow/mlflow/security/advisories/GHSA-7gwp-5pfp-969j","tags":["x_refsource_CONFIRM"]},{"source":"CVE List","url":"https://github.com/mlflow/mlflow/commit/ba949522477cbd5915aa55d29b0cfad7d5ddf939","tags":["x_refsource_MISC"]},{"source":"CVE List","url":"https://github.com/mlflow/mlflow/releases/tag/v3.15.0","tags":["x_refsource_MISC"]},{"url":"https://github.com/advisories/GHSA-7gwp-5pfp-969j","source":"GitHub Advisory Database"},{"url":"https://github.com/mlflow/mlflow","source":"GitHub Advisory Database"},{"url":"https://github.com/pypa/advisory-database/tree/main/vulns/mlflow/PYSEC-2026-3687.yaml","source":"GitHub Advisory Database"},{"url":"https://pypi.org/project/mlflow","source":"GitHub Advisory Database"},{"source":"CVE List","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-64849","tags":["government-resource"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","ssvc":{"exploitation":"active","automatable":"yes","technical_impact":"partial","assessed_at":"2026-08-20T03:55:29.820245Z"},"exploits":[{"kind":"Scanner template","name":"MLflow Webhook SSRF - Unauthenticated Full-Read via Redirect Bypass","source":"Nuclei","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2026/CVE-2026-64849.yaml"}],"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"ecosystem","confidence":"heuristic","reviewed":false},"change_timestamp":"2026-10-02T18:30:39.856988982Z","content_hash":"a71213edb6db2ea9f395ce1822aad8297beef56ca77a3ec585d722e74f9fa3c5"}}
