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

Summary

# Security Advisory: Compromise of PyTorch Lightning PyPI Package Versions **Published:** 2026-04-30 **Last Updated:** 2026-05-12 **Github Advisory:** [CVE-2026-44484](https://github.com/advisories/GHSA-w37p-236h-pfx3) We have identified a security incident affecting certain versions of one of our PyPI packages. ## What happened We have determined that one or more released versions of this package have been…

Product

pip: pytorch-lightning

What to do

General, cautious steps (verify details in the official source):

• Prioritize patching or mitigation immediately (treat as actively risky).
• Identify affected product versions in your inventory and verify whether you are impacted.
• Apply vendor patches/updates or recommended mitigations as soon as available.
• Read the official advisory for exact affected versions and remediation steps.

Official advisory

• Read the official source
• CVE Record
• NVD

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