PYSEC-2026-1644

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Import Source
https://github.com/pypa/advisory-database/blob/main/vulns/mlflow/PYSEC-2026-1644.yaml
JSON Data
https://api.osv.dev/v1/vulns/PYSEC-2026-1644
Aliases
Published
2026-07-07T11:45:44.419637Z
Modified
2026-07-07T17:56:52.206163477Z
Severity
  • 8.8 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H CVSS Calculator
Summary
MLFlow unsafe deserialization
Details

Deserialization of untrusted data can occur in versions of the MLflow platform running version 1.23.0 or newer, enabling a maliciously uploaded LightGBM scikit-learn model to run arbitrary code on an end user’s system when interacted with.

References

Affected packages

PyPI / mlflow

Package

Affected ranges

Type
ECOSYSTEM
Events
Introduced
1.23.0
Last affected
2.14.1

Affected versions

1.*
1.23.0
1.23.1
1.24.0
1.25.0
1.25.1
1.26.0
1.26.1
1.27.0
1.28.0
1.29.0
1.30.0
1.30.1
2.*
2.0.0rc0
2.0.0
2.0.1
2.1.0
2.1.1
2.2.0
2.2.1
2.2.2
2.3.0
2.3.1
2.3.2
2.4.0
2.4.1
2.4.2
2.5.0
2.6.0
2.7.0
2.7.1
2.8.0
2.8.1
2.9.0
2.9.1
2.9.2
2.10.0
2.10.1
2.10.2
2.11.0
2.11.1
2.11.2
2.11.3
2.11.4
2.12.0
2.12.1
2.12.2
2.13.0
2.13.1
2.13.2
2.14.0rc0
2.14.0
2.14.1

Database specific

source
"https://github.com/pypa/advisory-database/blob/main/vulns/mlflow/PYSEC-2026-1644.yaml"