pytorch-lightning is vulnerable to Deserialization of Untrusted Data
pytorch-lightning is vulnerable to Deserialization of Untrusted Data
Affected software
Click a technology to see all vulnerabilities affecting it.
| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Python (PyPI) | lightning | < 1.6.0 | 1.6.0 |
| Python (PyPI) | pytorch-lightning | < 1.6.0 | 1.6.0 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2021-4118
- https://github.com/PyTorchLightning/pytorch-lightning/issues/11045
- https://github.com/PyTorchLightning/pytorch-lightning/pull/11099
- https://github.com/pytorchlightning/pytorch-lightning/commit/62f1e82e032eb16565e676d39e0db0cac7e34ace
- https://github.com/PyTorchLightning/pytorch-lightning/releases/tag/1.6.0
- https://github.com/advisories/GHSA-2vj5-px25-gjrp
- https://github.com/pypa/advisory-database/tree/main/vulns/pytorch-lightning/PYSEC-2021-874.yaml
- https://github.com/pytorchlightning/pytorch-lightning
- https://huntr.dev/bounties/31832f0c-e5bb-4552-a12c-542f81f111e6
- CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H- Weakness (CWE)
CWE-502- Platform
- Python (PyPI)
- Package
lightning, pytorch-lightning- Disclosed
- 23.12.2021
- Updated
- 11.10.2026 15:18
Sources and licenses
OSV / GitHub Advisory Database - PYSEC-2021-874 - PyPA Advisory Database; CC BY 4.0
OSV / GitHub Advisory Database - GHSA-2vj5-px25-gjrp - CC BY 4.0
OSV / GitHub Advisory Database - PYSEC-2026-3968 - PyPA Advisory Database; CC BY 4.0
Vulnerability history: pytorch-lightning
All published vulnerabilities of this package (Python (PyPI)), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 9
- First → latest
- 12.2021 07.2026
- Without a fix
- 2
- Exploited in attacks
- 0
Severity breakdown
- Critical 5
- High 4
Disclosures per year
- 2021: 1
- 2022: 1
- 2023: 0
- 2024: 2
- 2025: 2
- 2026: 3
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