CVE-2023-6014 json
MLflow Authentication Bypass
published 2023-11-16 2 y ago modified 2026-07-01 4 mo ago also BIT-mlflow-2023-6014 , EUVD-2023-2882 , GHSA-4qq5-mxxx-m6gg , PYSEC-2026-415
- cvss
- 9.1
- version 3.0, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.2%
- EPSS 1.2% chance of exploitation in 30 days, percentile 67%
- public exploits
- 0
- none known
Summary
An attacker is able to arbitrarily create an account in MLflow bypassing any authentication requirment.
Patch / fix
- pypi mlflow 2.8.0
- github.com/mlflow/mlflow@32de215 commit
- github.com/mlflow/mlflow#9700 pull request
- github.com/mlflow/mlflow/releases/tag/v2.8.0 release
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- yes
- Technical impact
- total
- Assessed
- 2 y ago
Exploit prediction
1.17% chance of exploitation in the next 30 days, higher than 67% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- huntr.com https://huntr.com/bounties/3e64df69-ddc2-463e-9809-d07c24dc1de4 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.0 | 9.1 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N |
| GitHub | 3.0 | 9.1 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N |
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| OSV | 3.0 | 9.1 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| pypi | mlflow | <2.8.0 |
2.8.0 |
| bitnami | mlflow | — | no fix listed |
Affected products
- mlflow mlflow/mlflow
- mlflow mlflow
Classification
- Weakness
-
- CWE-598 Use of HTTP Request With Sensitive Query String
References
-
github.com
/mlflow/mlflow/pull/9700
web
-
github.com
/mlflow/mlflow/commit/32de2154ef9f946160e5dc01a4d8a449dd0bd259
web
-
huntr.com
/bounties/3e64df69-ddc2-463e-9809-d07c24dc1de4
web, exploit, issue-tracking, third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2023-6014
advisory
-
github.com
/mlflow/mlflow/issues/9669
web
-
github.com
/mlflow/mlflow
package
-
github.com
/mlflow/mlflow/releases/tag/v2.8.0
web
-
pypi.org
/project/mlflow
package
-
github.com
/advisories/GHSA-4qq5-mxxx-m6gg
advisory
Sources
- CVE List CVE-2023-6014
- GitHub Advisory GHSA-4qq5-mxxx-m6gg
- NVD CVE-2023-6014
- OSV BIT-mlflow-2023-6014
- OSV PYSEC-2026-415
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