FKIE_CVE-2026-2651

Vulnerability from fkie_nvd - Published: 2026-05-25 07:16 - Updated: 2026-07-21 19:10
Severity
9.0 (Critical) - CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
Summary
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 artifacts belonging to other users. This can lead to unauthorized cross-user writes, model supply chain poisoning, and arbitrary code execution when compromised models are loaded. The issue is resolved in version 3.10.0.
References
security@huntr.devhttps://github.com/mlflow/mlflow/commit/d7290811d8f3c95366d80109424edc1fb1ad966fPatch
security@huntr.devhttps://huntr.com/bounties/65beb119-d3e0-4e03-af2f-fa98f78f83dcExploit, Third Party Advisory
0b0ca135-0b70-47e7-9f44-1890c2a1c46chttps://access.redhat.com/security/cve/CVE-2026-2651
0b0ca135-0b70-47e7-9f44-1890c2a1c46chttps://bugzilla.redhat.com/show_bug.cgi?id=2481117
134c704f-9b21-4f2e-91b3-4a467353bcc0https://huntr.com/bounties/65beb119-d3e0-4e03-af2f-fa98f78f83dcExploit, Third Party Advisory
0b0ca135-0b70-47e7-9f44-1890c2a1c46chttps://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-2651.json
Impacted products
Vendor Product Version
lfprojects mlflow *
To clipboard 

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      "lang": "en",
      "value": "A vulnerability in MLflow versions \u003c=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 artifacts belonging to other users. This can lead to unauthorized cross-user writes, model supply chain poisoning, and arbitrary code execution when compromised models are loaded. The issue is resolved in version 3.10.0."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad en las versiones de MLflow  =3.10.1.dev0 permite el acceso no autorizado a los puntos finales de carga multiparte (MPU) cuando el modo \u0027--serve-artifacts\u0027 est\u00e1 habilitado. La l\u00f3gica de autorizaci\u00f3n no aplica comprobaciones de permisos a nivel de recurso para los puntos finales \u0027/mlflow-artifacts/mpu/ \u0027, lo que permite a los atacantes sobrescribir artefactos pertenecientes a otros usuarios. Esto puede conducir a escrituras no autorizadas entre usuarios, envenenamiento de la cadena de suministro de modelos y ejecuci\u00f3n de c\u00f3digo arbitrario cuando se cargan modelos comprometidos. El problema est\u00e1 resuelto en la versi\u00f3n 3.10.0."
    }
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  "id": "CVE-2026-2651",
  "lastModified": "2026-07-21T19:10:00.107",
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