CVE-2025-15036: A path traversal vulnerability exists in the `extract_archive_to_dir` function within the `mlflow/pyfunc/dbcon

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CRITICAL 10.0REMOTEUPGRADE

CVE-2025-15036 is a critical-severity flaw (CVSS 10.0) affecting mlflow. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A path traversal vulnerability exists in the `extract_archive_to_dir` function within the `mlflow/pyfunc/dbconnect_artifact_cache.py` file of the mlflow/mlflow repository. This vulnerability, present in versions before v3.7.0, arises due to the lack of validation of tar member paths during extraction. An attacker with control over the tar.gz file can exploit this issue to overwrite arbitrary files or gain elevated privileges, potentially escaping

Why this priority

Critical severity
Public exploit reference
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	10.0 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.6% (top 52%)
CISA exploited list	No
Weakness	CWE-29, CWE-22
Published	2026-03-30
Last modified	2026-07-15

Publisher (CNA): huntr.dev · Vendor: lfprojects

Last updated 2026-07-15 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-03-30 02:16 UTCPublished CVE record published
2026-07-15 02:17 UTCUpdated Record last modified

lfprojects mlflow UPGRADE

Affected: < 3.9.0

Fixed in: 3.9.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy mlflow || rpm -q mlflow || mlflow --version

2. UPGRADE to 3.9.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade mlflow

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade mlflow

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Exact fixes by distribution

Python (pip) · mlflow · FIXED · 3.9.0rc0 · vulnerable: < 3.9.0rc0 · source

pip install --upgrade "mlflow>=3.9.0rc0" pip show mlflow

Fedora ELN · perl-Encode · FIXED · 3.25-528.eln159 · FEDORA-2026-79991d0238 · source

sudo dnf upgrade --advisory=FEDORA-2026-79991d0238

Fedora 46 · fonttools · FIXED · 4.68.0-1.fc46 · FEDORA-2026-65d6c01c75 · source

sudo dnf upgrade --advisory=FEDORA-2026-65d6c01c75

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-15036?

mlflow: upgrade to 3.9.0. Exact commands for each OS are on this page.

Is CVE-2025-15036 being exploited?

CVE-2025-15036 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-15036 affect?

CVE-2025-15036 affects mlflow. Severity is critical (CVSS 10.0). A path traversal vulnerability exists in the `extract_archive_to_dir` function within the `mlflow/pyfunc/dbconnect_artifact_cache.py` file of the mlflow/mlflow repository. This vulnerability, present in versions before v3.7.0, arises due to

How urgent is CVE-2025-15036?

Priority 57/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

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References

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