PYSEC-2026-3971

vendorUSosv

PyTorch Lightning denial of service vulnerability

view advisory published 2026-09-10Licence: CC-BY-4.0

A vulnerability in lightning-ai/pytorch-lightning version 2.3.2 allows an attacker to cause a denial of service by sending an unexpected POST request to the `/api/v1/state` endpoint of `LightningApp`. This issue occurs due to improper handling of unexpected state values, which results in the server shutting down.

describes (1)

Related CVEs.

ID	severity	EPSS	exploitable	published
CVE-2024-8020US	—	0.64% (51st)	—	2025-03-20
A vulnerability in lightning-ai/pytorch-lightning version 2.3.2 allows an attacker to cause a denial of service by sending an unexpected POST request to the `/api/v1/state` endpoin…

references

External citations — patches, advisories, analysis.

https://github.com/Lightning-AI/pytorch-lightningPACKAGE
https://github.com/advisories/GHSA-98fp-7v67-4v3qADVISORY
https://huntr.com/bounties/8b642a78-2b80-4fb0-9b2f-8ba0ff37db6aWEB
https://nvd.nist.gov/vuln/detail/CVE-2024-8020ADVISORY
https://pypi.org/project/pytorch-lightningPACKAGE

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