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.
{
"github_reviewed_at": "2025-03-21T21:56:03Z",
"severity": "CRITICAL",
"github_reviewed": true,
"nvd_published_at": "2025-03-20T10:15:39Z",
"cwe_ids": [
"CWE-434"
]
}