PyPI/lightning CVE-2026-44484: critical 9.8, EPSS 0.67%

Compromise of PyTorch Lightning PyPi Package Versions

Action: Upgrade lightning to 2.6.4 or later.

pip install lightning==2.6.4

Affected

Fixed versions

Sources

• osv: PYSEC-2026-3973
• https://github.com/Lightning-AI/pytorch-lightning/security/advisories/GHSA-w37p-236h-pfx3
• https://nvd.nist.gov/vuln/detail/CVE-2026-44484
• https://github.com/Lightning-AI/pytorch-lightning
• https://pypi.org/project/pytorch-lightning
• https://github.com/advisories/GHSA-w37p-236h-pfx3

CVE-2026-44484 · published 2026-09-10T16:42:38.534688Z · modified 2026-09-10T17:26:04.327761200Z · JSON