CVE-2026-44484

Compromise of PyTorch Lightning PyPi Package Versions

State: Published
Severity: 9.3 Critical
Published: May 14, 2026
Updated: Jul 15, 2026
Reserved: May 6, 2026

Description

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.

Scores

CVSS	Score	Vector	Source
4.0	9.3 Critical	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	GitHub_M
3.1	9.8 Critical	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	redhat-SADP

Weaknesses

CWE-506 Embedded Malicious Code
CWE-829 Inclusion of Functionality from Untrusted Control Sphere

Affected Products

Product	Versions
pytorch-lightningLightning-AI	2.6.2Affected 2.6.3Affected

References

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