CVE-2024-8020: PYSEC-2026-3971 - PyTorch Lightning denial of service vulnerability

CVE-2024-8020 · Severity: low · CVSS 3 · Published 2026-09-10

PyTorch Lightning denial of service vulnerability

Technologies: lightning (PyPI), pytorch-lightning (PyPI). Vendors: PyPI.

Quick answers

Is CVE-2024-8020 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2024-8020 being exploited in the wild.
How severe is CVE-2024-8020?
Low severity, with a CVSS score of 3, published 10 September 2026.
Which products and versions are affected?
lightning (PyPI) ECOSYSTEM:introduced=0,last_affected=2.3.2; pytorch-lightning (PyPI) ECOSYSTEM:introduced=0,last_affected=2.3.2.
Is there a fix for CVE-2024-8020?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
Am I affected by CVE-2024-8020?
Check whether you run lightning (PyPI) or pytorch-lightning (PyPI) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Affected products

  • lightning (PyPI) ECOSYSTEM:introduced=0,last_affected=2.3.2
  • pytorch-lightning (PyPI) ECOSYSTEM:introduced=0,last_affected=2.3.2

Identifiers

  • CVE-2024-8020
  • GHSA-98fp-7v67-4v3q
  • PYSEC-2026-1857
  • PYSEC-2026-3971

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