MLflow < 3.10.0 - Authentication Bypass on FastAPI Routes

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/...

Mlflow < 2.11.0 - Path Traversal

A path traversal vulnerability exists in mlflow/mlflow version 2.11.0, identified as a bypass for the previously addressed CVE-2023-6909. The vulnerability arises from the application's handling of artifact URLs, where a '' character can be used to insert a path into the fragment, effectively...

Mlflow <2.9.2 - Path Traversal

Path Traversal: '..\filename' in GitHub repository mlflow/mlflow prior to 2.9.2. id: CVE-2023-6909 info: name: Mlflow 2.9.2 - Path Traversal author: Hyunsoo-ds severity: high description: | Path Traversal: '..\filename' in GitHub repository mlflow/mlflow prior to 2.9.2. impact: | Successful...

Mlflow < 2.17.0 - Local File Inclusion

Mlflow before 2.17.0 is susceptible to local file inclusion due to path traversal in GitHub repository mlflow/mlflow. An attacker can potentially obtain sensitive information, modify data, and/or execute unauthorized administrative operations in the context of the affected site. id: CVE-2024-8859...

MLflow < 2.11.3 - Path Traversal

MLflow versions prior to 2.11.3 are vulnerable to a Path Traversal attack due to improper URI fragment parsing. This vulnerability allows attackers to read arbitrary files on the server, potentially exposing sensitive information. id: CVE-2024-2928 info: name: MLflow 2.11.3 - Path Traversal autho...

Mlflow - Arbitrary File Write

An attacker can overwrite any file on the server hosting MLflow without any authentication. id: CVE-2023-6018 info: name: Mlflow - Arbitrary File Write author: byt3bl33d3r severity: critical description: | An attacker can overwrite any file on the server hosting MLflow without any authentication...

MLflow Job API - Authentication Bypass

MLflow latest version contains an authentication bypass caused by unprotected FastAPI job endpoints under /ajax-api/3.0/jobs/ when basic-auth is enabled, letting unauthenticated network clients submit and manage jobs, exploit requires job execution enabled and allowlisted job functions. id:...

Mlflow <2.3.1 - Local File Inclusion Bypass

Path Traversal: '..\filename' in GitHub repository mlflow/mlflow prior to 2.3.1. id: CVE-2023-2780 info: name: Mlflow 2.3.1 - Local File Inclusion Bypass author: iamnoooob,pdresearch severity: critical description: | Path Traversal: '..\filename' in GitHub repository mlflow/mlflow prior to 2.3.1...

Mlflow < 2.9.2 - Path Traversal

A path traversal vulnerability exists in mlflow/mlflow version 2.9.2, allowing attackers to access arbitrary files on the server. By crafting a series of HTTP POST requests with specially crafted 'artifactlocation' and 'source' parameters, using a local URI with '' instead of '?', an attacker can...

Mlflow - Cross-Site Scripting

The vulnerability allows an attacker to inject malicious code into the Content-Type header of a POST request, which is then reflected back to the user without proper sanitization or escaping. id: CVE-2023-6568 info: name: Mlflow - Cross-Site Scripting author: ritikchaddha severity: medium...

Mlflow <2.3.0 - Local File Inclusion

Relative Path Traversal in GitHub repository mlflow/mlflow prior to 2.3.1. id: CVE-2023-2356 info: name: Mlflow 2.3.0 - Local File Inclusion author: Co5mos severity: high description: | Relative Path Traversal in GitHub repository mlflow/mlflow prior to 2.3.1. impact: | Successful exploitation...

mlflow - Path Traversal

Path Traversal: '..\filename' in GitHub repository mlflow/mlflow prior to 2.9.2. id: CVE-2023-6831 info: name: mlflow - Path Traversal author: byObin severity: high description: | Path Traversal: '..\filename' in GitHub repository mlflow/mlflow prior to 2.9.2. impact: | Authenticated attackers...

CVE-2026-2393

A Server-Side Request Forgery SSRF vulnerability exists in MLflow versions prior to 3.9.0. The createwebhook function in mlflow/server/handlers.py accepts a user-controlled url parameter without validation, and the sendwebhookrequest function in mlflow/webhooks/delivery.py sends HTTP POST request...

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/...

CVE-2026-4137

In mlflow/mlflow versions prior to 3.11.0, the getorcreatenfstmpdir function in mlflow/utils/fileutils.py creates temporary directories with world-writable permissions 0o777, and the createmodeldownloadingtmpdir function in mlflow/pyfunc/init.py creates directories with group-writable permissions...

BIT-MLFLOW-2026-4035 Environment Variable Resolution Vulnerability in mlflow/mlflow

A vulnerability in mlflow/mlflow versions prior to 3.11.0 allows for the resolution of environment variables in AI Gateway secrets, which can be exploited to exfiltrate sensitive server-side environment credentials to an attacker-controlled endpoint. This issue arises because the apikey field in...

BIT-MLFLOW-2026-2651 Missing Authorization Validation in mlflow/mlflow

A vulnerability in MLflow versions =3.10.1.dev0 allows unauthorized access to multipart upload MPU endpoints when the --serve-artifacts mode is enabled. The authorization logic does not enforce resource-level permission checks for /mlflow-artifacts/mpu/ endpoints, enabling attackers to overwrite...

CVE-2026-4035

A flaw was found in MLflow. This vulnerability allows an attacker to exfiltrate sensitive server-side environment credentials. It occurs because the AI Gateway secrets can resolve environment variables, which are then sent to an attacker-controlled endpoint. This could lead to unauthorized access...

BIT-MLFLOW-2026-4137 Incomplete Fix for CVE-2025-10279: Insecure Temporary Directory Permissions in mlflow/mlflow

In mlflow/mlflow versions prior to 3.11.0, the getorcreatenfstmpdir function in mlflow/utils/fileutils.py creates temporary directories with world-writable permissions 0o777, and the createmodeldownloadingtmpdir function in mlflow/pyfunc/init.py creates directories with group-writable permissions...

BIT-MLFLOW-2026-3198 Improper Access Control in mlflow/mlflow

MLflow 3.9.0 with basic-auth --app-name basic-auth fails to enforce authorization checks for multiple Gateway API 'list' endpoints. Specifically, the BEFOREREQUESTHANDLERS dictionary in mlflow/server/auth/init.py does not include entries for ListGatewaySecretInfos, ListGatewayEndpoints, and...