CVE-2024-5980 — Vulnerability in lightning — CVE Details

CRITICAL

pytorch-lightning vulnerable to Arbitrary File Write via /v1/runs API endpoint

Published June 29, 2026Updated September 10, 2026Source: osv

Summary

A vulnerability in the /v1/runs API endpoint of lightning-ai/pytorch-lightning v2.2.4 allows attackers to exploit path traversal when extracting tar.gz files. When the LightningApp is running with the plugin_server, attackers can deploy malicious tar.gz plugins that embed arbitrary files with path traversal vulnerabilities. This can result in arbitrary files being written to any directory in the victim's local file system, potentially leading to remote code execution.

Advisory Timeline

First published June 29, 2026 (105 days ago).
Last revised September 10, 2026 — 73 days after initial publication.

Remediation

Upgrade to the fixed version using your package manager.

pip

Update lightning to 2.3.3 or later

pip install "lightning>=2.3.3"

After upgrading, run your dependency scanner again to confirm the vulnerability is resolved.

Affected Packages (1)

Affects 1 ecosystem: PyPI (1).

Package	Ecosystem	Affected	Fixed In
lightning	PyPI	1.8.0, 1.8.0.post1, 1.8.0rc1, 1.8.0rc2 (+64 more)	2.3.3

CVSS Score Breakdown

What the CVSS (Common Vulnerability Scoring System) 9.1 score means for each attack dimension.

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

High

Availability

High

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

References

Frequently Asked Questions

What is CVE-2024-5980?: pytorch-lightning vulnerable to Arbitrary File Write via /v1/runs API endpoint This vulnerability has been assigned a severity rating of CRITICAL (CVSS score: 9.1/10).
How do I check if my project is affected by CVE-2024-5980?: CVE-2024-5980 affects lightning. Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2024-5980 and 200,000+ other known vulnerabilities.

Severity & Exploitability

CVSS Score

9.1

Exploitation is straightforward and causes maximum impact. Patch immediately.

Also Known As

PYSEC-2026-386

GHSA-mr7h-w2qc-ffc2

PYSEC-2026-3975

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