CVE-2026-44484CWE-506

Compromise of PyTorch Lightning PyPi Package Versions

Critical · published May 14, 2026

CVSS v4.0
9.3
EPSS
1%
Percentile
51.4
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
9.3 · CRITICAL
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
EPSS
0.00671 · 51.4th percentile
Weakness
CWE-506 · Embedded Malicious Code
Published
2026-05-14T14:59Z
EPSS history
Timeline
  • 14 MAY 14:59Z
    Compromise of PyTorch Lightning PyPi Package Versions
    cvelistv5