Ludwig framework is vulnerable to insecure deserialization through its predict() method
Critical9.8CVE-2026-31237 · Published May 12, 2026 · updated Jun 29, 2026
The Ludwig framework thru 0.10.4 is vulnerable to insecure deserialization (CWE-502) through its predict() method. When a user provides a dataset file path to the predict() method, the framework automatically determines the file format. If the file is a pickle (.pkl) file, it is loaded using pandas.read_pickle() without any validation or security restrictions. This allows the deserialization of arbitrary Python objects via the unsafe pickle module. A remote attacker can exploit this by providing a maliciously crafted pickle file, leading to arbitrary code execution on the system running the Ludwig prediction.
Affected versions
| Package | Affected | Fixed in |
|---|---|---|
| ludwig PyPI | <= 0.10.4 | No fix yet |
Details and references
- CVSS 3.1
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Severity from
- GitHub (reviewed advisory)
- Weakness
- CWE-502
- Also known as
- CVE-2026-31237, PYSEC-2026-404
More ludwig advisories
All ludwig| Date | Advisory | Severity | Fixed in |
|---|---|---|---|
| May 12 | Ludwig framework is vulnerable to insecure deserialization in its model serving component | Critical9.8 | No fix yet |