CVE-2023-2780

Path Traversal: '\..\filename' in mlflow/mlflow

9.8 CriticalFix available

Path Traversal: '..\filename' in GitHub repository mlflow/mlflow prior to 2.3.1.

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: High

Exploit likelihood

6.31%Up 6.3 points since May 18, 2023

What each source reports

CVE List Score used 9.8

Path Traversal: '\..\filename' in mlflow/mlflow

Path Traversal: '..\filename' in GitHub repository mlflow/mlflow prior to 2.3.1.

Record: CVE-2023-2780
CVSS 3.0: 9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-29
Updated: 2026-11-02

EUVDEUVD-2023-0159 9.8

Path Traversal: '..\filename' in GitHub repository mlflow/mlflow prior to 2.3.1.

Record: EUVD-2023-0159
CVSS 3.0: 9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-03

GitHub AdvisoriesGHSA-wjq3-7jxx-whj9 9.3

mlflow Path Traversal vulnerability

mlflow prior to 2.3.0 is vulnerable to path traversal due to a bypass of the fix for CVE-2023-1177.

Record: GHSA-wjq3-7jxx-whj9
CVSS 4.0: 9.3 CriticalCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CVSS 3.0: 9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-29
Updated: 2026-11-02

NVD 9.8

Path Traversal: '..\filename' in GitHub repository mlflow/mlflow prior to 2.3.1.

Record: CVE-2023-2780
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: 9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-29
Updated: 2026-11-02

OSV 9.8

Path Traversal: '\..\filename' in mlflow/mlflow

Path Traversal: '..\filename' in GitHub repository mlflow/mlflow prior to 2.3.1.

Record: CVE-2023-2780
CVSS 3.0: 9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-29
Updated: 2026-11-02

OSVGHSA-wjq3-7jxx-whj9 9.3

mlflow Path Traversal vulnerability

mlflow prior to 2.3.0 is vulnerable to path traversal due to a bypass of the fix for CVE-2023-1177.

Record: GHSA-wjq3-7jxx-whj9
CVSS 4.0: 9.3 CriticalCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CVSS 3.0: 9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-29
Updated: 2026-11-02

OSVBIT-mlflow-2023-2780 No score

Path Traversal: '\..\filename' in mlflow/mlflow

Path Traversal: '..\filename' in GitHub repository mlflow/mlflow prior to 2.3.1.

Record: BIT-mlflow-2023-2780
Updated: 2026-11-02

OSVPYSEC-2023-69 No score

Path Traversal: '..\filename' in GitHub repository mlflow/mlflow prior to 2.3.1.

Record: PYSEC-2023-69
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`mlflow` PyPI	before 2.3.0	2.3.0
`mlflow` Bitnami	before 2.3.1	2.3.1
`mlflow` PyPI	before 2.3.0, 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	2.3.0
`mlflow` PyPI	before 2.3.1, 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	2.3.1

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
Source	Link	Date
Nuclei	Mlflow <2.3.1 - Local File Inclusion Bypass

History

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

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

In short

CVE-2023-2780 is a critical vulnerability (CVSS 9.8) in Lfprojects Mlflow, published May 17, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 6.31%, the 93rd percentile. Fixed in mlflow 2.3.0.

References

This page doesn't list everything

Left out here: 56 versions. The JSON record has them.