---
id: CVE-2026-96804
title: >-
  MLflow's statsmodel flavor, versions 2.1.0 to 3.14.0, omits the
  MLFLOW_ALLOW_PICKLE_DESERIALIZATION=False security control entirely in
  _load_model(), which allows a remote attacker to execute arbitrary code via a
  crafted MLmodel artifact.
summary: >-
  MLflow's statsmodel flavor, versions 2.1.0 to 3.14.0, omits the
  MLFLOW_ALLOW_PICKLE_DESERIALIZATION=False security control entirely in
  _load_model(), which allows a remote attacker to execute arbitrary code via a
  crafted MLmodel artifact.
severity: high
cvss: 8.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'
cwe:
  - CWE-502
vendor: MLflow
product: MLflow
affected:
  - MLflow >= 2.1 < 3.15.0
published: '2026-09-23'
updated: '2026-09-24'
sourceUpdated: '2026-09-24T04:18:04.600'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-96804'
references:
  - url: 'https://kb.cert.org/vuls/id/369093'
    label: cret@cert.org
  - url: >-
      https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-96804.json
  - url: 'https://access.redhat.com/security/cve/CVE-2026-96804'
  - url: 'https://bugzilla.redhat.com/show_bug.cgi?id=2539535'
  - url: 'https://www.cve.org/CVERecord?id=CVE-2026-96804'
  - url: 'https://nvd.nist.gov/vuln/detail/CVE-2026-96804'
tags:
  - nvd
  - cve.org
  - csaf
  - vex
  - red-hat
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-09-23T17:00:12.740363Z'
ingestedAt: '2026-09-23T17:28:14.859Z'
epss: 0.00423
epssPercentile: 0.34002
---

## Overview

MLflow's statsmodel flavor, versions 2.1.0 to 3.14.0, omits the MLFLOW_ALLOW_PICKLE_DESERIALIZATION=False security control entirely in _load_model(), which allows a remote attacker to execute arbitrary code via a crafted MLmodel artifact.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.

## Vendor advisories

- **Red Hat VEX** · Important · affected: Red Hat OpenShift AI (RHOAI) · no fix planned: Red Hat OpenShift AI (RHOAI) · updated 2026-09-25 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-96804.json)