{"cve":"CVE-2026-71211","nvd":{"published":"2026-08-05T08:16:43.367","modified":"2026-08-26T17:36:16.900","status":"Deferred","description":"MLflow's AI Gateway accepts an auth_config.api_base value when creating a gateway secret (mlflow/server/handlers.py, _create_gateway_secret) with no validation of scheme, host, or IP range; the value is stored verbatim. The gateway proxy endpoint (mlflow/server/gateway_api.py, raw_proxy) subsequently issues an HTTP request to that stored api_base plus a caller-supplied path and returns the full response body.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N","score":7.1},"cwes":["CWE-918"],"references":["https://github.com/mlflow/mlflow/tree/v3.14.0/mlflow"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:47:10.050265369+00:00"},"epss":{"cve":"CVE-2026-71211","score":0.0029,"percentile":0.21586,"date":"2026-11-01"},"kev":null,"osv":[{"id":"GHSA-h7x2-h6g9-p789","url":"https://osv.dev/vulnerability/GHSA-h7x2-h6g9-p789","summary":" MLflow AI Gateway permits SSRF through an unvalidated api_base","modified":"2026-09-10T12:26:03.922134817Z","packages":[{"ecosystem":"PyPI","name":"mlflow","purl":"pkg:pypi/mlflow","ranges":[">=3.13.0 <=3.15.2"],"fixed":[]}]},{"id":"PYSEC-2026-3865","url":"https://osv.dev/vulnerability/PYSEC-2026-3865","summary":" MLflow AI Gateway permits SSRF through an unvalidated api_base","modified":"2026-09-10T12:15:09.110661324Z","packages":[{"ecosystem":"PyPI","name":"mlflow","purl":"pkg:pypi/mlflow","ranges":[">=3.13.0 <=3.15.2"],"fixed":[]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}