{"id":"CVE-2024-8019","aliases":["GHSA-4cv3-v7pv-rfhf","PYSEC-2026-507"],"url":"https://o3.security/vulnerability/CVE-2024-8019","summary":"Arbitrary File Write/Overwrite in lightning-ai/pytorch-lightning","details":"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.","published":"2025-03-20T10:08:48.918Z","modified":"2026-08-08T03:48:08.932251518Z","cvss":{"score":9.1,"severity":"CRITICAL","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"PyPI","name":"pytorch-lightning","fixedVersion":"2.4.0"}],"fix":{"url":"https://github.com/lightning-ai/pytorch-lightning/commit/330af381de88cff17515418a341cbc1f9f127f9a","label":"lightning-ai/pytorch-lightning@330af38"},"references":[{"type":"WEB","url":"https://huntr.com/bounties/2754298b-5af5-48ef-8b38-999093ddf2bd"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/8xxx/CVE-2024-8019.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-8019"},{"type":"FIX","url":"https://github.com/lightning-ai/pytorch-lightning/commit/330af381de88cff17515418a341cbc1f9f127f9a"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-08T03:48:08.932251518Z"}}