CVE-2021-4118: Lightningai Pytorch Lightning

High severity, CVSS 7.8. EPSS: 1% chance of exploitation in the next 30 days.

pytorch-lightning is vulnerable to Deserialization of Untrusted Data

Affected products

• Lightningai Pytorch Lightning: before 1.6.0 (fixed in 1.6.0)

Published 2021-12-23. Last modified 2026-06-17.