CVE-2023-43472 in the critical feed json
Information exposure in MLflow
published 2023-12-05 2 y ago modified 2026-09-08 2 mo ago also BIT-mlflow-2023-43472 , EUVD-2023-3318 , GHSA-wqxf-447m-6f5f , PYSEC-2026-1661
- cvss
- 7.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 36.6%
- EPSS 36.6% chance of exploitation in 30 days, percentile 98%
- public exploits
- 0
- none known, plus a Nuclei check
Summary
An issue in MLFlow versions 2.8.1 and before allows a remote attacker to obtain sensitive information via a crafted request to REST API.
Patch / fix
- pypi mlflow 2.9.0
- bitnami mlflow 2.8.2
Exploit prediction
36.58% chance of exploitation in the next 30 days, higher than 98% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- Nuclei template MLFlow < 2.8.1 - Sensitive Information Disclosure nuclei detection template
- contrastsecurity.com https://www.contrastsecurity.com/security-influencers/discovering-mlflow-framework-zero-day-vulnerability-machine-language-model-security-contrast-security referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| GitHub | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/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 | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| pypi | mlflow | <2.9.0 |
2.9.0 |
| bitnami | mlflow | <2.8.2 |
2.8.2 |
Classification
- Weakness
-
- CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
References
-
contrastsecurity.com
/security-influencers/discovering-mlflow-framework-zero-day-vulnerability-machine-language-model-security-cont
web, exploit, press/media-coverage, evidence
-
nvd.nist.gov
/vuln/detail/CVE-2023-43472
advisory, web
-
github.com
/mlflow/mlflow
package
-
mlflow.org
/news/2023/12/06/2.9.0-release/index.html
web
-
pypi.org
/project/mlflow
package
-
github.com
/advisories/GHSA-wqxf-447m-6f5f
advisory
Sources
- CVE List CVE-2023-43472
- GitHub Advisory GHSA-wqxf-447m-6f5f
- NVD CVE-2023-43472
- OSV BIT-mlflow-2023-43472
- OSV PYSEC-2026-1661
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.