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CVE PROGRAM SOURCE RECORD5.3 Medium

CVE-2026-84289

NousResearch hermes-agent MCP Tool mcp_tool.py list_tools memory allocation

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Status
Published
Published
Updated
Assigning organization
VulDB

Description

A vulnerability was found in NousResearch hermes-agent up to 0.18.2. This vulnerability affects the function list_tools of the file tools/mcp_tool.py of the component MCP Tool. Performing a manipulation results in uncontrolled memory allocation. It is possible to initiate the attack remotely. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

NousResearch hermes-agent

  • 0.18.0affected
  • 0.18.1affected
  • 0.18.2affected

References