PYSEC-2026-507

vendorUSosv

PyTorch Lightning path traversal vulnerability

view advisory published 2026-06-29Licence: CC-BY-4.0

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.

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describes (1)

Related CVEs.

IDseverity exploitable
CVE-2024-8019UScritical9.1—
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/`…
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references

External citations — patches, advisories, analysis.

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