CVE-2024-3848Network attack vector

Arbitrary file read via artifact URL fragment

Published May 16, 2024 · Updated Aug 1, 2024

Path traversal in MLflow 2.9.2 through 2.12.0 allows remote attackers to read arbitrary server files through crafted artifact URLs. MLflow server handlers accepted a fragment beginning with # in artifact_location, then converted the fragment path for local filesystem access without rejecting it. An exposed tracking server with filesystem or cloud-key access is sufficient; the consequence is read-only disclosure of files available to the server process.

CVSS severity7.5
High
EPSS probability43.28%
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 MLflow 2.9.2 through 2.12.0 allows remote attackers to read arbitrary server files through crafted artifact URLs. MLflow server handlers accepted a fragment beginning with # in artifact_location, then converted the fragment path for local filesystem access without rejecting it. An exposed tracking server with filesystem or cloud-key access is sufficient; the consequence is read-only disclosure of files available to the server process.

The record

CVE
CVE-2024-3848
Published
May 16, 2024
Updated
Aug 1, 2024
Vendor
MLflow Project
Product
MLflow
Classifications
CWE-22, CWE-29, T1005
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. May 16, 2024CVE publishedPublication date reported by the CVE source.
  2. Aug 1, 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=2.11.0 <2.12.1
  2. Affected versionversion=unspecified <2.12.1

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

MLflow Project · MLflowversion=2.11.0 <2.12.1; version=unspecified <2.12.1

Published CVSS scores

7.5GitHub Advisory DatabaseCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

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.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

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 exploitUnconfirmed

Weakness, pattern, technique

CWE-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
CWE-29Path Traversal: '..filename'
T1005Data from Local System

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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