PT-2026-84520 · Nousresearch · Hermes-Agent
CVSS v3.1
4.3
Medium
| Vector | AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L |
Name of the Vulnerable Software and Affected Versions
NousResearch hermes-agent versions prior to 0.18.3
Description
A flaw in the MCP Tool component allows for uncontrolled memory allocation. This issue occurs within the
list tools() function located in the tools/mcp tool.py file and can be triggered remotely.Recommendations
Update NousResearch hermes-agent to a version newer than 0.18.2.
As a temporary mitigation, restrict access to the
list tools() function in the tools/mcp tool.py file.Exploit
Fix
DoS
Resource Exhaustion
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Related Identifiers
Affected Products
Hermes-Agent