CVE-2023-6014

MLflow Authentication Bypass

9.1 CriticalFix available

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

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: None

Exploit likelihood

1.17%Up 1.1 points since Nov 17, 2023

What each source reports

CVE List Score used 9.1

MLflow Authentication Bypass

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

Record: CVE-2023-6014
CVSS 3.0: 9.1 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Weakness: CWE-598
Updated: 2026-11-02

EUVDEUVD-2023-2882 9.1

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

Record: EUVD-2023-2882
CVSS 3.0: 9.1 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Updated: 2026-11-03

GitHub AdvisoriesGHSA-4qq5-mxxx-m6gg 9.1

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

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

Record: GHSA-4qq5-mxxx-m6gg
CVSS 3.0: 9.1 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Weakness: CWE-598
Updated: 2026-11-02

NVD 9.8

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

Record: CVE-2023-6014
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 3.0: 9.1 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Weakness: CWE-598
Updated: 2026-11-02

OSVGHSA-4qq5-mxxx-m6gg 9.1

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

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

Record: GHSA-4qq5-mxxx-m6gg
CVSS 3.0: 9.1 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Weakness: CWE-598
Updated: 2026-11-02

OSVPYSEC-2026-415 9.1

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

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

Record: PYSEC-2026-415
CVSS 3.0: 9.1 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Updated: 2026-11-02

OSVBIT-mlflow-2023-6014 No score

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

Record: BIT-mlflow-2023-6014
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`mlflow` PyPI	before 2.8.0	2.8.0
`mlflow` Bitnami	Not stated	Not evaluated
`mlflow` PyPI	before 2.8.0, plus listed versions 0.0.10.1.00.2.00.2.10.3.0 Show 45 moreShow less 0.4.00.4.10.4.20.5.00.5.10.5.20.6.00.7.00.8.00.8.10.8.20.9.00.9.0.10.9.11.0.01.1.01.1.1.dev01.10.01.11.01.12.01.12.11.131.13.11.14.01.14.11.15.01.16.01.17.01.18.01.19.01.2.01.20.01.20.11.20.21.21.01.22.01.23.01.23.11.24.01.25.01.25.11.26.01.26.11.27.01.28.0	2.8.0

Not evaluated means the source gave git commits or a range we can't read, so we can't tell which releases are affected. A fixed version beside it is the source’s own claim.

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases, published	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2023-6014 is a critical vulnerability (CVSS 9.1) in Lfprojects Mlflow, published November 16, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.17%, the 67th percentile. Fixed in mlflow 2.8.0.

References

This page doesn't list everything

Left out here: 31 versions. The JSON record has them.