CVE-2022-47547: Protocol Gossipsub

Medium severity, CVSS 5.3. EPSS: 0.5% chance of exploitation in the next 30 days.

GossipSub 1.1, as used for Ethereum 2.0, allows a peer to maintain a positive score (and thus not be pruned from the network) even though it continuously misbehaves by never forwarding topic messages.

Affected products

• Protocol Gossipsub: version 1.1 only

Published 2022-12-19. Last modified 2026-06-17.