[ CVE-2026-109364 · Published 12 Oct 2026 ]
Vulnerability in ZcashFoundation zebra
CVSS 5.3
EPSS <1%No fix listed yet
[ Description ]Official description
Zebra 2.3.0 before 6.4.0 contains a protection mechanism failure that allows unauthenticated peers to evade bans because bans and misbehavior scores are keyed on exact IP addresses. Attackers can reconnect from fresh IPv6 addresses in their /64 allocation or flush the 20,000-entry FIFO ban list to restore access for banned peers.
[ Fixes ]Fixes and patches
No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.