CVE-2023-6018Public exploitNetwork attack vector

Unauthenticated code execution via unvalidated artifact paths

Published Nov 16, 2023 · Updated Aug 2, 2024

Path traversal in the MLflow web server 2.8.1 and earlier allows remote attackers to overwrite arbitrary host files without authentication. HttpArtifactRepository.list_artifacts trusts path values returned by an attacker-controlled artifact server and joins them without rejecting absolute or parent paths. A network-reachable tracking server that permits unauthenticated model-version creation can be directed to fetch the crafted listing, enabling code execution when a startup file or other executable content is overwritten.

CVSS severity10.0
Critical
EPSS probability47.87%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Path traversal in the MLflow web server 2.8.1 and earlier allows remote attackers to overwrite arbitrary host files without authentication. HttpArtifactRepository.list_artifacts trusts path values returned by an attacker-controlled artifact server and joins them without rejecting absolute or parent paths. A network-reachable tracking server that permits unauthenticated model-version creation can be directed to fetch the crafted listing, enabling code execution when a startup file or other executable content is overwritten.

The record

CVE
CVE-2023-6018
Published
Nov 16, 2023
Updated
Aug 2, 2024
Vendor
MLflow Project
Product
MLflow
Classifications
CWE-78, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Nov 16, 2023CVE publishedPublication date reported by the CVE source.
  2. Aug 2, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=unspecified <=latest

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

MLflow Project · MLflowversion=unspecified <=latest

Published CVSS scores

10.0GitHub Advisory DatabaseCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
T1190Exploit Public-Facing Application

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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