CVE-2026-105927 | Apache Pulsar up to 4.0.13/4.2.4 WebSocket service deadLetterTopic privileges management

October 21, 2026 Yanac

A vulnerability was found in Apache Pulsar up to 4.0.13/4.2.4. It has been rated as problematic. Impacted is an unknown function of the component WebSocket service. Performing a manipulation of the argument deadLetterTopic results in improper privilege management.

This vulnerability is known as CVE-2026-105927. Remote exploitation of the attack is possible. No exploit is available.

Upgrading the affected component is advised.VulDB Recent EntriesRead More