What’s Vulnerable › Vulnerabilities

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

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-05-14 · updated 2026-07-15
• Weakness: CWE-506

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.

Affected products

• lightning-ai/pytorch-lightning: 2.6.2, 2.6.3

References

• https://github.com/Lightning-AI/pytorch-lightning/security/advisories/GHSA-w37p-236h-pfx3
• https://access.redhat.com/security/cve/CVE-2026-44484
• https://bugzilla.redhat.com/show_bug.cgi?id=2477476
• https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-44484.json

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