CVE-2023-6976
Unrestricted Upload of File with Dangerous Type
This vulnerability is capable of writing arbitrary files into arbitrary locations on the remote filesystem in the context of the server process.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Unrestricted Upload of File with Dangerous Type
This vulnerability is capable of writing arbitrary files into arbitrary locations on the remote filesystem in the context of the server process.
- Record
CVE-2023-6976- CVSS 3.0
- 8.8 High
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-434
- Updated
- 2026-11-02
EUVDEUVD-2023-3319
This vulnerability is capable of writing arbitrary files into arbitrary locations on the remote filesystem in the context of the server process.
- Record
EUVD-2023-3319- CVSS 3.0
- 8.8 High
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-wv8q-4f85-2p8p
MLflow Path Traversal Vulnerability
This vulnerability is capable of writing arbitrary files into arbitrary locations on the remote filesystem in the context of the server process.
- Record
GHSA-wv8q-4f85-2p8p- CVSS 3.0
- 8.8 High
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-434
- Updated
- 2026-11-02
NVD
This vulnerability is capable of writing arbitrary files into arbitrary locations on the remote filesystem in the context of the server process.
- Record
CVE-2023-6976- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS 3.0
- 8.8 High
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-434
- Updated
- 2026-11-02
OSV
Unrestricted Upload of File with Dangerous Type
This vulnerability is capable of writing arbitrary files into arbitrary locations on the remote filesystem in the context of the server process.
- Record
CVE-2023-6976- CVSS 3.0
- 8.8 High
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-434
- Updated
- 2026-11-02
OSVGHSA-wv8q-4f85-2p8p
MLflow Path Traversal Vulnerability
This vulnerability is capable of writing arbitrary files into arbitrary locations on the remote filesystem in the context of the server process.
- Record
GHSA-wv8q-4f85-2p8p- CVSS 3.0
- 8.8 High
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-434
- Updated
- 2026-11-02
OSVPYSEC-2026-1662
MLflow Path Traversal Vulnerability
This vulnerability is capable of writing arbitrary files into arbitrary locations on the remote filesystem in the context of the server process.
- Record
PYSEC-2026-1662- CVSS 3.0
- 8.8 High
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVBIT-mlflow-2023-6976 No score
Unrestricted Upload of File with Dangerous Type
This vulnerability is capable of writing arbitrary files into arbitrary locations on the remote filesystem in the context of the server process.
- Record
BIT-mlflow-2023-6976- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
mlflowPyPI |
before 2.9.2 | 2.9.2 |
mlflowBitnami |
before 2.9.2 | 2.9.2 |
mlflowPyPI |
before 2.9.2, plus listed versions 0.0.10.1.00.2.00.2.10.3.0 Show 45 moreShow less0.4.00.4.10.4.20.5.00.5.10.5.20.6.00.7.00.8.00.8.10.8.20.9.00.9.0.10.9.11.0.01.1.01.1.1.dev01.10.01.11.01.12.01.12.11.131.13.11.14.01.14.11.15.01.16.01.17.01.18.01.19.01.2.01.20.01.20.11.20.21.21.01.22.01.23.01.23.11.24.01.25.01.25.11.26.01.26.11.27.01.28.0 |
2.9.2 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-6976 is a high vulnerability (CVSS 8.8) in Lfprojects Mlflow, published December 20, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.02%, the 63rd percentile. Fixed in mlflow 2.9.2.
References
huntr.com/bounties/2408a52b-f05b-4cac-9765-4f74bac3f20f
github.com/mlflow/mlflow/commit/5044878da0c1851ccfdd5c0a867157ed9a502fbc
nvd.nist.gov/vuln/detail/CVE-2023-6976
pypi.org/project/mlflow
Left out here: 35 versions. The JSON record has them.