CVE-2026-44484

CRITICAL CVSS 4.0: 9.3 EPSS 0.39%
Updated Jul 15, 2026
Lightningai
Parameter Value
CVSS 9.3 (CRITICAL)
Type CWE-506, CWE-829 (Inclusion of Functionality from Untrusted Source)
Vendor Lightningai
Public PoC No

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.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service

CVSS Vector v4.0

Vulnerable Products 2

Configuration From (including) Up to (excluding)
Lightningai Pytorch_Lightning
cpe:2.3:a:lightningai:pytorch_lightning:2.6.2:*:*:*:*:python:*:*
Lightningai Pytorch_Lightning
cpe:2.3:a:lightningai:pytorch_lightning:2.6.3:*:*:*:*:python:*:*