Lighthouse v8.2.2: security release for Ethereum node operators

Summary

Lighthouse v8.2.2 (released 2026-10-16) includes security fixes according to its release notes. Ethereum node operators running Lighthouse should review and upgrade.

Affected

• Lighthouse (sigp/lighthouse) versions before v8.2.2

From the release notes

## Summary ⚠️ Lighthouse v8.2.2 is a high-priority release containing fixes for several security vulnerabilities. All mainnet beacon node users should upgrade as soon as practical to receive the security fixes in this release. ## Upgrade Notes No special action is required beyond upgrading. This release does not contain a database schema migration or any breaking CLI changes. If upgrading from a release prior to v8.2.1, please see release notes for v8.2.1 and v8.2.0: - https://github.com/sigp/lighthouse/releases/tag/v8.2.1 - https://github.com/sigp/lighthouse/releases/tag/v8.2.0 ## Update Priority This table provides priorities for which classes of users should update particular components. User Class Beacon Node Validator Client Staking Users High Low Non-Staking Users High --- See Update Priorities for more information about this table. ## Security Content We can now rev

Recommended actions

• Upgrade Lighthouse to v8.2.2 or later
• Check the release notes for any coordinated upgrade deadline or required configuration change

Source & attribution

This 0xCERT advisory relays the Lighthouse v8.2.2 release notes: https://github.com/sigp/lighthouse/releases/tag/v8.2.2. Refer to the upstream project for the authoritative record and any follow-up security advisories.