CVE-2026-52686 | PowerDNS Recursor up to 5.2.11/5.3.8/5.4.3 DNSSEC Validation authentication bypass

July 23, 2026 Yanac

A vulnerability was found in PowerDNS Recursor up to 5.2.11/5.3.8/5.4.3. It has been rated as critical. The affected element is an unknown function of the component DNSSEC Validation. The manipulation leads to authentication bypass using alternate channel.

This vulnerability is uniquely identified as CVE-2026-52686. The attack is possible to be carried out remotely. No exploit exists.

Upgrading the affected component is advised.VulDB Recent EntriesRead More