CVE-2025-15031 json
Path Traversal Vulnerability in mlflow/mlflow
published 2026-03-18 7 mo ago modified 2026-09-10 1 mo ago also BIT-mlflow-2025-15031 , EUVD-2025-208848 , GHSA-fhff-qmm8-h2fp , PYSEC-2026-2656
- cvss
- 8.1
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.8%
- EPSS 0.8% chance of exploitation in 30 days, percentile 58%
- public exploits
- 0
- none known
Summary
A vulnerability in MLflow's pyfunc extraction process allows for arbitrary file writes due to improper handling of tar archive entries. Specifically, the use of `tarfile.extractall` without path validation enables crafted tar.gz files containing `..` or absolute paths to escape the intended extraction directory. This issue affects the latest version of MLflow and poses a high/critical risk in scenarios involving multi-tenant environments or ingestion of untrusted artifacts, as it can lead to arbitrary file overwrites and potential remote code execution.
Patch / fix
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
red hat product security vex CVE-2025-15031 updated cvss 8.1
mlflow/mlflow: Path Traversal Vulnerability in mlflow/mlflow
-
Red Hat OpenShift AI (RHOAI) rhoai/odh-mlflow-rhel9affected: no fix available
Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- no
- Technical impact
- total
- Assessed
- 7 mo ago
Exploit prediction
0.85% chance of exploitation in the next 30 days, higher than 58% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- huntr.com https://huntr.com/bounties/09856f77-f968-446f-a930-657d126efe4e referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.0 | 8.1 | CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N |
| CISA ADP | 3.1 | 8.1 | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N |
| GitHub | 3.0 | 8.1 | CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N |
| NVD | 3.1 | 9.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N |
| CNA | 3.1 | 8.1 | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N |
| OSV | 3.1 | 9.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N |
| OSV | 3.0 | 8.1 | CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| pypi | mlflow | <3.9.0rc0 |
3.9.0rc0 |
| bitnami | mlflow | <3.11.1 |
3.11.1 |
Affected products
- mlflow mlflow/mlflow
- Red Hat Red Hat OpenShift AI (RHOAI)
Classification
- Weakness
-
- CWE-22 Improper Limitation of a Pathname to a Restricted Directory
References
-
github.com
/mlflow/mlflow/commit/3bf6d81ac4d38654c8ff012dbd0c3e9f17e7e346
web
-
huntr.com
/bounties/09856f77-f968-446f-a930-657d126efe4e
exploit, web, mitigation, third-party-advisory, advisory
-
access.redhat.com
/security/cve/CVE-2025-15031
vdb-entry, web
-
bugzilla.redhat.com
/show_bug.cgi?id=2448912
issue-tracking, web
-
security.access.redhat.com
/data/csaf/v2/vex/2025/cve-2025-15031.json
web
-
nvd.nist.gov
/vuln/detail/CVE-2025-15031
advisory, web
-
github.com
/mlflow/mlflow
package
-
github.com
/mlflow/mlflow/blob/fe4d9be330426904283401f1d2ed914238b6fc37/mlflow/pyfunc/dbconnect_artifact_cache.py#L140
web
-
pypi.org
/project/mlflow
package
-
github.com
/advisories/GHSA-fhff-qmm8-h2fp
advisory
Sources
- CVE List CVE-2025-15031
- GitHub Advisory GHSA-fhff-qmm8-h2fp
- NVD CVE-2025-15031
- OSV BIT-mlflow-2025-15031
- OSV PYSEC-2026-2656
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.