Multiple security vulnerabilities were discovered in Unbound, a validating, recursive, caching DNS resolver. CVE-2026-35501 (DNSSEC) Bypass of a configured island trust anchor underneath an insecure parent from an attacker-controlled NSEC record. CVE-2026-50106 (DNSSEC) Possible insecure NXDOMAIN for non-existing records under a configured island trust anchor underneath an insecure parent. CVE-2026-96405 Aggregate DNS name chained pointer decompression work leads to degradation of service. CVE-2026-97206 DNS-over-QUIC path-migration can lead to use-after-free on multi-threaded deployments, leading to potential denial of service. CVE-2026-109125 Possible cache poisoning vulnerability via a ca