CVE-2026-13484
MLflow Experiment-scoped Label Schema CRUD API authorization
- State
- Published
- Severity
- 2.3 Low
- Published
- Jun 28, 2026
- Updated
- Jun 30, 2026
- Reserved
- Jun 27, 2026
Description
A vulnerability has been found in MLflow up to 4666cffc7912ea606d592fc38d6a75e2935f65e7. The impacted element is an unknown function of the component Experiment-scoped Label Schema CRUD API. Such manipulation leads to missing authorization. It is possible to launch the attack remotely. A high complexity level is associated with this attack. The exploitability is regarded as difficult. The exploit has been disclosed to the public and may be used. A reply to the GitHub issue explains, that "[t]he labeling schema PR has not been merged yet. The auth handlers will be added before the release."
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 2.3 Low | CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P | VulDB |
| 3.1 | 5.0 Medium | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:C | VulDB |
| 3.0 | 5.0 Medium | CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:C | VulDB |
| 2.0 | 4.6 Medium | AV:N/AC:H/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:C | VulDB |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
MLflown/a |
|
References
- VDB-374481 | MLflow Experiment-scoped Label Schema CRUD API authorizationvdb-entry
- VDB-374481 | CTI Indicators (IOB, IOC)signaturepermissions-required
- CVE-2026-13484 | CVE Analysis and Reportthird-party-advisory
- Submit #837658 | MLflow Unreleased development code in pull request #23607, commit 4666cffc7912ea606d592fc38d6a75e2935f65e7. No released MLflow version CWE-862 Missing Authorizationthird-party-advisory
- https://github.com/mlflow/mlflow/issues/23608exploitissue-tracking
- https://github.com/mlflow/mlflow/issues/23608#issuecomment-4560963877issue-tracking
- https://github.com/mlflow/mlflow/product
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