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

published 2023-12-15 2 y ago modified 2026-09-08 2 mo ago also BIT-mlflow-2023-6831 , EUVD-2023-0154 , GHSA-554w-xh4j-8w64 , PYSEC-2023-253

cvss: 8.1; version 3.0, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 3.3%; EPSS 3.3% chance of exploitation in 30 days, percentile 88%
public exploits: 0; none known, plus a Nuclei check

Path Traversal: '\..\filename' in GitHub repository mlflow/mlflow prior to 2.9.2.

Patch / fix

fixed in 3 links 1

pypi mlflow 2.9.2
bitnami mlflow 2.9.2
mlflow mlflow/mlflow 2.9.2

github.com/mlflow/mlflow@1da75df commit

Exploit prediction

3.29% chance of exploitation in the next 30 days, higher than 88% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

Nuclei template mlflow - Path Traversal nuclei detection template
huntr.com https://huntr.com/bounties/0acdd745-0167-4912-9d5c-02035fe5b314 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CNA	3.0	8.1	CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
GitHub	3.0	10.0	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:H
NVD	3.1	8.1	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
OSV	3.1	8.1	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

Affected packages

ecosystem	package	affected	fixed in
pypi	mlflow	<2.9.2	2.9.2
bitnami	mlflow	<2.9.2	2.9.2

Affected products

mlflow mlflow/mlflow

Classification

Weakness

CWE-29 Path Traversal: '\..\filename'
CWE-22 Improper Limitation of a Pathname to a Restricted Directory

References

github.com /mlflow/mlflow/commit/1da75dfcecd4d169e34809ade55748384e8af6c1
web, patch
huntr.com /bounties/0acdd745-0167-4912-9d5c-02035fe5b314
web, exploit, third-party-advisory, advisory, evidence
nvd.nist.gov /vuln/detail/CVE-2023-6831
advisory, web
github.com /mlflow/mlflow
package
github.com /pypa/advisory-database/tree/main/vulns/mlflow/PYSEC-2023-253.yaml
web
github.com /advisories/GHSA-554w-xh4j-8w64
advisory

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary