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GeekWala

CVE-2023-6014

CRITICAL

MLflow authentication requirement bypass can allow a user to arbitrarily create an account

Published June 29, 2026Updated July 1, 2026Source: osv

Summary

An attacker is able to arbitrarily create an account in MLflow bypassing any authentication requirement.

Remediation

Upgrade to the fixed version using your package manager.

pip
Update mlflow to 2.8.0 or later
pip install "mlflow>=2.8.0"

After upgrading, run your dependency scanner again to confirm the vulnerability is resolved.

Affected Packages (1)

PackageEcosystemAffectedFixed In
mlflow
pypi
0.0.1, 0.1.0, 0.2.0, 0.2.1 (+77 more)2.8.0

CVSS Score Breakdown

What the CVSS (Common Vulnerability Scoring System) 9.1 score means for each attack dimension.

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
None

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

References

Frequently Asked Questions

What is CVE-2023-6014?
MLflow authentication requirement bypass can allow a user to arbitrarily create an account This vulnerability has been assigned a severity rating of CRITICAL (CVSS score: 9.1/10).
How do I check if my project is affected by CVE-2023-6014?
CVE-2023-6014 affects mlflow. Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2023-6014 and 200,000+ other known vulnerabilities.

Severity & Exploitability

CVSS Score
9.1

Exploitation is straightforward and causes maximum impact. Patch immediately.

Also Known As

PYSEC-2026-415
BIT-mlflow-2023-6014
GHSA-4qq5-mxxx-m6gg

Related CVEs

  • CVE-2023-6974
    CRITICAL

    MLflow Server-Side Request Forgery (SSRF)

  • CVE-2023-6018
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  • CVE-2026-64849
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    MLflow: Unauthenticated full-read SSRF in webhook delivery: _validate_webhook_url bypassed via unvalidated HTTP redirects (and DNS rebinding)

  • CVE-2026-2611
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    MLflow: Improper Origin Validation in MLflow Assistant /ajax-api Endpoints Enables Browser-Mediated Local Command Execution

  • CVE-2026-64849
    CRITICAL

    MLflow: Unauthenticated full-read SSRF in webhook delivery: _validate_webhook_url bypassed via unvalidated HTTP redirects (and DNS rebinding)

  • CVE-2026-4035
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    MLflow: Environment variable injection in AI Gateway secrets enables server-side credential exfiltration

  • CVE-2026-2635
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    MLflow Use of Default Password Authentication Bypass Vulnerability

  • CVE-2026-0596
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    Mlflow: Command Injection when serving models with enable_mlserver=True

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