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Vulnerabilities

Vulnerable Software

Vulnerability Details CVE-2026-2652

A vulnerability in mlflow/mlflow versions 3.9.0 and earlier allows unauthenticated access to certain FastAPI routes when the server is started with authentication enabled (`--app-name basic-auth`) and served via uvicorn (ASGI). The FastAPI permission middleware only enforces authentication on `/gateway/` routes, leaving other routes such as the Job API (`/ajax-api/3.0/jobs/*`) and the OpenTelemetry trace ingestion API (`/v1/traces`) unprotected. This allows unauthenticated remote attackers to submit jobs, read job results, cancel running jobs, and inject arbitrary trace data into experiments. The issue arises from an architectural mismatch between Flask and FastAPI authentication mechanisms, where the `_find_fastapi_validator()` function fails to handle non-`/gateway/` paths, resulting in a complete authentication bypass. This vulnerability is fixed in version 3.10.0.

Exploit prediction scoring system (EPSS) score

EPSS Score 0.002

EPSS Ranking 35.3%

CVSS Severity

CVSS v3 Score 8.6

References

Products affected by CVE-2026-2652

Lfprojects » Mlflow » Version: N/A

cpe:2.3:a:lfprojects:mlflow:-
Lfprojects » Mlflow » Version: 0.2.0

cpe:2.3:a:lfprojects:mlflow:0.2.0
Lfprojects » Mlflow » Version: 0.2.1

cpe:2.3:a:lfprojects:mlflow:0.2.1
Lfprojects » Mlflow » Version: 0.3.0

cpe:2.3:a:lfprojects:mlflow:0.3.0
Lfprojects » Mlflow » Version: 0.4.0

cpe:2.3:a:lfprojects:mlflow:0.4.0
Lfprojects » Mlflow » Version: 0.4.1

cpe:2.3:a:lfprojects:mlflow:0.4.1
Lfprojects » Mlflow » Version: 0.4.2

cpe:2.3:a:lfprojects:mlflow:0.4.2
Lfprojects » Mlflow » Version: 0.5.0

cpe:2.3:a:lfprojects:mlflow:0.5.0
Lfprojects » Mlflow » Version: 0.5.1

cpe:2.3:a:lfprojects:mlflow:0.5.1
Lfprojects » Mlflow » Version: 0.5.2

cpe:2.3:a:lfprojects:mlflow:0.5.2
Lfprojects » Mlflow » Version: 0.6.0

cpe:2.3:a:lfprojects:mlflow:0.6.0
Lfprojects » Mlflow » Version: 0.7

cpe:2.3:a:lfprojects:mlflow:0.7
Lfprojects » Mlflow » Version: 0.7.0

cpe:2.3:a:lfprojects:mlflow:0.7.0
Lfprojects » Mlflow » Version: 0.8.0

cpe:2.3:a:lfprojects:mlflow:0.8.0
Lfprojects » Mlflow » Version: 0.8.1

cpe:2.3:a:lfprojects:mlflow:0.8.1
Lfprojects » Mlflow » Version: 0.8.2

cpe:2.3:a:lfprojects:mlflow:0.8.2
Lfprojects » Mlflow » Version: 0.9.0

cpe:2.3:a:lfprojects:mlflow:0.9.0
Lfprojects » Mlflow » Version: 0.9.1

cpe:2.3:a:lfprojects:mlflow:0.9.1
Lfprojects » Mlflow » Version: 1.0.0

cpe:2.3:a:lfprojects:mlflow:1.0.0
Lfprojects » Mlflow » Version: 1.1.0

cpe:2.3:a:lfprojects:mlflow:1.1.0
Lfprojects » Mlflow » Version: 1.10.0

cpe:2.3:a:lfprojects:mlflow:1.10.0
Lfprojects » Mlflow » Version: 1.11.0

cpe:2.3:a:lfprojects:mlflow:1.11.0
Lfprojects » Mlflow » Version: 1.12.0

cpe:2.3:a:lfprojects:mlflow:1.12.0
Lfprojects » Mlflow » Version: 1.12.1

cpe:2.3:a:lfprojects:mlflow:1.12.1
Lfprojects » Mlflow » Version: 1.13.0

cpe:2.3:a:lfprojects:mlflow:1.13.0
Lfprojects » Mlflow » Version: 1.13.1

cpe:2.3:a:lfprojects:mlflow:1.13.1
Lfprojects » Mlflow » Version: 1.14.0

cpe:2.3:a:lfprojects:mlflow:1.14.0
Lfprojects » Mlflow » Version: 1.14.1

cpe:2.3:a:lfprojects:mlflow:1.14.1
Lfprojects » Mlflow » Version: 1.15.0

cpe:2.3:a:lfprojects:mlflow:1.15.0
Lfprojects » Mlflow » Version: 1.16.0

cpe:2.3:a:lfprojects:mlflow:1.16.0
Lfprojects » Mlflow » Version: 1.17.0

cpe:2.3:a:lfprojects:mlflow:1.17.0
Lfprojects » Mlflow » Version: 1.18.0

cpe:2.3:a:lfprojects:mlflow:1.18.0
Lfprojects » Mlflow » Version: 1.19.0

cpe:2.3:a:lfprojects:mlflow:1.19.0
Lfprojects » Mlflow » Version: 1.2.0

cpe:2.3:a:lfprojects:mlflow:1.2.0
Lfprojects » Mlflow » Version: 1.20.0

cpe:2.3:a:lfprojects:mlflow:1.20.0
Lfprojects » Mlflow » Version: 1.20.1

cpe:2.3:a:lfprojects:mlflow:1.20.1
Lfprojects » Mlflow » Version: 1.20.2

cpe:2.3:a:lfprojects:mlflow:1.20.2
Lfprojects » Mlflow » Version: 1.21.0

cpe:2.3:a:lfprojects:mlflow:1.21.0
Lfprojects » Mlflow » Version: 1.22.0

cpe:2.3:a:lfprojects:mlflow:1.22.0
Lfprojects » Mlflow » Version: 1.23.0

cpe:2.3:a:lfprojects:mlflow:1.23.0
Lfprojects » Mlflow » Version: 1.23.1

cpe:2.3:a:lfprojects:mlflow:1.23.1
Lfprojects » Mlflow » Version: 1.24.0

cpe:2.3:a:lfprojects:mlflow:1.24.0
Lfprojects » Mlflow » Version: 1.25.0

cpe:2.3:a:lfprojects:mlflow:1.25.0
Lfprojects » Mlflow » Version: 1.25.1

cpe:2.3:a:lfprojects:mlflow:1.25.1
Lfprojects » Mlflow » Version: 1.26.0

cpe:2.3:a:lfprojects:mlflow:1.26.0
Lfprojects » Mlflow » Version: 1.26.1

cpe:2.3:a:lfprojects:mlflow:1.26.1
Lfprojects » Mlflow » Version: 1.27.0

cpe:2.3:a:lfprojects:mlflow:1.27.0
Lfprojects » Mlflow » Version: 1.28.0

cpe:2.3:a:lfprojects:mlflow:1.28.0
Lfprojects » Mlflow » Version: 1.29.0

cpe:2.3:a:lfprojects:mlflow:1.29.0
Lfprojects » Mlflow » Version: 1.3.0

cpe:2.3:a:lfprojects:mlflow:1.3.0
Lfprojects » Mlflow » Version: 1.30.0

cpe:2.3:a:lfprojects:mlflow:1.30.0
Lfprojects » Mlflow » Version: 1.4.0

cpe:2.3:a:lfprojects:mlflow:1.4.0
Lfprojects » Mlflow » Version: 1.5.0

cpe:2.3:a:lfprojects:mlflow:1.5.0
Lfprojects » Mlflow » Version: 1.6.0

cpe:2.3:a:lfprojects:mlflow:1.6.0
Lfprojects » Mlflow » Version: 1.7.0

cpe:2.3:a:lfprojects:mlflow:1.7.0
Lfprojects » Mlflow » Version: 1.7.1

cpe:2.3:a:lfprojects:mlflow:1.7.1
Lfprojects » Mlflow » Version: 1.7.2

cpe:2.3:a:lfprojects:mlflow:1.7.2
Lfprojects » Mlflow » Version: 1.8.0

cpe:2.3:a:lfprojects:mlflow:1.8.0
Lfprojects » Mlflow » Version: 1.9.0

cpe:2.3:a:lfprojects:mlflow:1.9.0
Lfprojects » Mlflow » Version: 1.9.1

cpe:2.3:a:lfprojects:mlflow:1.9.1
Lfprojects » Mlflow » Version: 2.0.0

cpe:2.3:a:lfprojects:mlflow:2.0.0
Lfprojects » Mlflow » Version: 2.0.1

cpe:2.3:a:lfprojects:mlflow:2.0.1
Lfprojects » Mlflow » Version: 2.1.0

cpe:2.3:a:lfprojects:mlflow:2.1.0
Lfprojects » Mlflow » Version: 2.1.1

cpe:2.3:a:lfprojects:mlflow:2.1.1
Lfprojects » Mlflow » Version: 2.10.0

cpe:2.3:a:lfprojects:mlflow:2.10.0
Lfprojects » Mlflow » Version: 2.10.1

cpe:2.3:a:lfprojects:mlflow:2.10.1
Lfprojects » Mlflow » Version: 2.10.2

cpe:2.3:a:lfprojects:mlflow:2.10.2
Lfprojects » Mlflow » Version: 2.11.0

cpe:2.3:a:lfprojects:mlflow:2.11.0
Lfprojects » Mlflow » Version: 2.11.1

cpe:2.3:a:lfprojects:mlflow:2.11.1
Lfprojects » Mlflow » Version: 2.11.2

cpe:2.3:a:lfprojects:mlflow:2.11.2
Lfprojects » Mlflow » Version: 2.11.3

cpe:2.3:a:lfprojects:mlflow:2.11.3
Lfprojects » Mlflow » Version: 2.12.1

cpe:2.3:a:lfprojects:mlflow:2.12.1
Lfprojects » Mlflow » Version: 2.12.2

cpe:2.3:a:lfprojects:mlflow:2.12.2
Lfprojects » Mlflow » Version: 2.13.0

cpe:2.3:a:lfprojects:mlflow:2.13.0
Lfprojects » Mlflow » Version: 2.13.1

cpe:2.3:a:lfprojects:mlflow:2.13.1
Lfprojects » Mlflow » Version: 2.13.2

cpe:2.3:a:lfprojects:mlflow:2.13.2
Lfprojects » Mlflow » Version: 2.14.0

cpe:2.3:a:lfprojects:mlflow:2.14.0
Lfprojects » Mlflow » Version: 2.14.1

cpe:2.3:a:lfprojects:mlflow:2.14.1
Lfprojects » Mlflow » Version: 2.14.2

cpe:2.3:a:lfprojects:mlflow:2.14.2
Lfprojects » Mlflow » Version: 2.14.3

cpe:2.3:a:lfprojects:mlflow:2.14.3
Lfprojects » Mlflow » Version: 2.15.0

cpe:2.3:a:lfprojects:mlflow:2.15.0
Lfprojects » Mlflow » Version: 2.15.1

cpe:2.3:a:lfprojects:mlflow:2.15.1
Lfprojects » Mlflow » Version: 2.16.0

cpe:2.3:a:lfprojects:mlflow:2.16.0
Lfprojects » Mlflow » Version: 2.16.1

cpe:2.3:a:lfprojects:mlflow:2.16.1
Lfprojects » Mlflow » Version: 2.16.2

cpe:2.3:a:lfprojects:mlflow:2.16.2
Lfprojects » Mlflow » Version: 2.17.0

cpe:2.3:a:lfprojects:mlflow:2.17.0
Lfprojects » Mlflow » Version: 2.17.1

cpe:2.3:a:lfprojects:mlflow:2.17.1
Lfprojects » Mlflow » Version: 2.17.2

cpe:2.3:a:lfprojects:mlflow:2.17.2
Lfprojects » Mlflow » Version: 2.18.0

cpe:2.3:a:lfprojects:mlflow:2.18.0
Lfprojects » Mlflow » Version: 2.19.0

cpe:2.3:a:lfprojects:mlflow:2.19.0
Lfprojects » Mlflow » Version: 2.2.0

cpe:2.3:a:lfprojects:mlflow:2.2.0
Lfprojects » Mlflow » Version: 2.2.1

cpe:2.3:a:lfprojects:mlflow:2.2.1
Lfprojects » Mlflow » Version: 2.2.2

cpe:2.3:a:lfprojects:mlflow:2.2.2
Lfprojects » Mlflow » Version: 2.20.0

cpe:2.3:a:lfprojects:mlflow:2.20.0
Lfprojects » Mlflow » Version: 2.20.1

cpe:2.3:a:lfprojects:mlflow:2.20.1
Lfprojects » Mlflow » Version: 2.20.2

cpe:2.3:a:lfprojects:mlflow:2.20.2
Lfprojects » Mlflow » Version: 2.20.3

cpe:2.3:a:lfprojects:mlflow:2.20.3
Lfprojects » Mlflow » Version: 2.20.4

cpe:2.3:a:lfprojects:mlflow:2.20.4
Lfprojects » Mlflow » Version: 2.21.0

cpe:2.3:a:lfprojects:mlflow:2.21.0
Lfprojects » Mlflow » Version: 2.21.1

cpe:2.3:a:lfprojects:mlflow:2.21.1
Lfprojects » Mlflow » Version: 2.21.2

cpe:2.3:a:lfprojects:mlflow:2.21.2
Lfprojects » Mlflow » Version: 2.21.3

cpe:2.3:a:lfprojects:mlflow:2.21.3
Lfprojects » Mlflow » Version: 2.22.0

cpe:2.3:a:lfprojects:mlflow:2.22.0
Lfprojects » Mlflow » Version: 2.22.1

cpe:2.3:a:lfprojects:mlflow:2.22.1
Lfprojects » Mlflow » Version: 2.22.2

cpe:2.3:a:lfprojects:mlflow:2.22.2
Lfprojects » Mlflow » Version: 2.3.0

cpe:2.3:a:lfprojects:mlflow:2.3.0
Lfprojects » Mlflow » Version: 2.3.1

cpe:2.3:a:lfprojects:mlflow:2.3.1
Lfprojects » Mlflow » Version: 2.3.2

cpe:2.3:a:lfprojects:mlflow:2.3.2
Lfprojects » Mlflow » Version: 2.4.0

cpe:2.3:a:lfprojects:mlflow:2.4.0
Lfprojects » Mlflow » Version: 2.4.1

cpe:2.3:a:lfprojects:mlflow:2.4.1
Lfprojects » Mlflow » Version: 2.4.2

cpe:2.3:a:lfprojects:mlflow:2.4.2
Lfprojects » Mlflow » Version: 2.5.0

cpe:2.3:a:lfprojects:mlflow:2.5.0
Lfprojects » Mlflow » Version: 2.6.0

cpe:2.3:a:lfprojects:mlflow:2.6.0
Lfprojects » Mlflow » Version: 2.7.0

cpe:2.3:a:lfprojects:mlflow:2.7.0
Lfprojects » Mlflow » Version: 2.7.1

cpe:2.3:a:lfprojects:mlflow:2.7.1
Lfprojects » Mlflow » Version: 2.8.0

cpe:2.3:a:lfprojects:mlflow:2.8.0
Lfprojects » Mlflow » Version: 2.8.1

cpe:2.3:a:lfprojects:mlflow:2.8.1
Lfprojects » Mlflow » Version: 2.9.0

cpe:2.3:a:lfprojects:mlflow:2.9.0
Lfprojects » Mlflow » Version: 2.9.1

cpe:2.3:a:lfprojects:mlflow:2.9.1
Lfprojects » Mlflow » Version: 2.9.2

cpe:2.3:a:lfprojects:mlflow:2.9.2
Lfprojects » Mlflow » Version: 3.0.0

cpe:2.3:a:lfprojects:mlflow:3.0.0
Lfprojects » Mlflow » Version: 3.0.1

cpe:2.3:a:lfprojects:mlflow:3.0.1
Lfprojects » Mlflow » Version: 3.1.0

cpe:2.3:a:lfprojects:mlflow:3.1.0
Lfprojects » Mlflow » Version: 3.1.1

cpe:2.3:a:lfprojects:mlflow:3.1.1
Lfprojects » Mlflow » Version: 3.1.2

cpe:2.3:a:lfprojects:mlflow:3.1.2
Lfprojects » Mlflow » Version: 3.1.3

cpe:2.3:a:lfprojects:mlflow:3.1.3
Lfprojects » Mlflow » Version: 3.1.4

cpe:2.3:a:lfprojects:mlflow:3.1.4
Lfprojects » Mlflow » Version: 3.2.0

cpe:2.3:a:lfprojects:mlflow:3.2.0
Lfprojects » Mlflow » Version: 3.3.0

cpe:2.3:a:lfprojects:mlflow:3.3.0
Lfprojects » Mlflow » Version: 3.3.1

cpe:2.3:a:lfprojects:mlflow:3.3.1
Lfprojects » Mlflow » Version: 3.3.2

cpe:2.3:a:lfprojects:mlflow:3.3.2
Lfprojects » Mlflow » Version: 3.4.0

cpe:2.3:a:lfprojects:mlflow:3.4.0
Lfprojects » Mlflow » Version: 3.5.0

cpe:2.3:a:lfprojects:mlflow:3.5.0
Lfprojects » Mlflow » Version: 3.5.1

cpe:2.3:a:lfprojects:mlflow:3.5.1
Lfprojects » Mlflow » Version: 3.6.0

cpe:2.3:a:lfprojects:mlflow:3.6.0
Lfprojects » Mlflow » Version: 3.7.0

cpe:2.3:a:lfprojects:mlflow:3.7.0
Lfprojects » Mlflow » Version: 3.8.0

cpe:2.3:a:lfprojects:mlflow:3.8.0
Lfprojects » Mlflow » Version: 3.8.1

cpe:2.3:a:lfprojects:mlflow:3.8.1
Lfprojects » Mlflow » Version: 3.9.0

cpe:2.3:a:lfprojects:mlflow:3.9.0

Vulnerabilities

Vulnerable Software

Vulnerability Details CVE-2026-2652

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