CVE-2026-44484 CRITICAL

CVE-2026-44484: Compromise of PyTorch Lightning PyPi Package Versions

Vendor Lightning-Ai
Product pytorch-lightning
Weakness CWE-506
Published May 14, 2026
Last update June 30, 2026
View on NVD All CVEs

CVSS base score

9.3/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality —
Integrity —

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

What the vulnerability does

01Description

PyTorch Lightning is a deep learning framework to pretrain and finetune AI models. Versions 2.6.2 and 2.6.2 have introduced functionality consistent with a credential harvesting mechanism.

Key dates

02Disclosure timeline

May 14, 2026 CVE published
June 30, 2026 Record updated