CVE-2026-82021 | NousResearch Hermes Agent up to 0.18.2 MCP Catalog input validation

August 28, 2026 Yanac

A vulnerability was found in NousResearch Hermes Agent up to 0.18.2. It has been rated as critical. Affected is an unknown function of the component MCP Catalog. Performing a manipulation results in improper input validation.

This vulnerability is cataloged as CVE-2026-82021. It is possible to initiate the attack remotely. There is no exploit available.

Upgrading the affected component is advised.VulDB Recent EntriesRead More