CVE-2023-6015 json
MLflow Arbitrary File Upload
published 2023-11-16 2 y ago modified 2026-09-10 59 d ago also BIT-mlflow-2023-6015 , EUVD-2023-2956 , GHSA-f798-qm4r-23r5 , PYSEC-2026-420
- cvss
- 10.0
- version 3.0, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 4.5%
- EPSS 4.5% chance of exploitation in 30 days, percentile 91%
- public exploits
- 0
- none known
Summary
MLflow allowed arbitrary files to be PUT onto the server.
Patch / fix
- pypi mlflow 2.8.1
- bitnami mlflow 2.8.1
- lfprojects mlflow 2.8.1
- github.com/mlflow/mlflow@cf83dad commit
- github.com/mlflow/mlflow#10330 pull request
Exploit prediction
4.49% chance of exploitation in the next 30 days, higher than 91% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- huntr.com https://huntr.com/bounties/43e6fb72-676e-4670-a225-15d6836f65d3 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.0 | 10.0 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N |
| GitHub | 3.0 | 10.0 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N |
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
| OSV | 3.0 | 10.0 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| pypi | mlflow | <2.8.1 |
2.8.1 |
| bitnami | mlflow | <2.8.1 |
2.8.1 |
Affected products
- mlflow mlflow/mlflow
Classification
- Weakness
-
- CWE-22 Improper Limitation of a Pathname to a Restricted Directory
References
-
github.com
/mlflow/mlflow/pull/10330
web
-
github.com
/mlflow/mlflow/commit/cf83dad4df26dd4a850622fe8a51ccab1471a5e7
web
-
huntr.com
/bounties/43e6fb72-676e-4670-a225-15d6836f65d3
web, exploit, third-party-advisory, advisory
-
nvd.nist.gov
/vuln/detail/CVE-2023-6015
advisory, web
-
github.com
/mlflow/mlflow
package
-
pypi.org
/project/mlflow
package
-
github.com
/advisories/GHSA-f798-qm4r-23r5
advisory
Sources
- CVE List CVE-2023-6015
- GitHub Advisory GHSA-f798-qm4r-23r5
- NVD CVE-2023-6015
- OSV BIT-mlflow-2023-6015
- OSV PYSEC-2026-420
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.