Medium severity4.3NVD Advisory· Published Sep 1, 2026
CVE-2026-84289
CVE-2026-84289
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
2<=0.18.2+ 1 more
- (no CPE)range: <=0.18.2
- (no CPE)range: <=0.18.2
Patches
Vulnerability mechanics
References
5News mentions
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