CVE-2024-8019: Lightningai Pytorch Lightning

Critical severity, CVSS 9.1. EPSS: 1.1% chance of exploitation in the next 30 days.

In lightning-ai/pytorch-lightning version 2.3.2, a vulnerability exists in the `LightningApp` when running on a Windows host. The vulnerability occurs at the `/api/v1/upload_file/` endpoint, allowing an attacker to write or overwrite arbitrary files by providing a crafted filename. This can lead to potential remote code execution (RCE) by overwriting critical files or placing malicious files in sensitive locations.

Affected products

• Lightningai Pytorch Lightning: version 2.3.2 only

Published 2025-03-20. Last modified 2026-06-17.