EUVD-2026-97666

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 t...

CVE-2026-109364

Zebra version 2.3.0 before 6.4.0 is vulnerable to a protection mechanism failure (CWE-693) that allows unauthenticated peers to bypass IP-based bans. The root cause is that bans and misbehavior scores are keyed on exact IP addresses rather than wider network prefixes. Attackers can evade these re...