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OpenAdvisories

Package · PyPI

hermes-agent

10 known vulnerabilities.

10 results · Feed

  • Medium 5.5

    Hermes Agent < 0.16.0 - Sensitive File Permission Vulnerability in Store Files

    Hermes Agent before 0.16.0 creates response_store.db and webhook_subscriptions.json with world-readable permissions (mode 0o644), exposing conversation history and HMAC secrets to local users. Attackers with local filesystem access can read these files direct…

  • High 7.5

    Hermes Agent < 0.16.0 - DNS Rebinding Bypass via WebSocket Endpoints

    Hermes Agent before 0.16.0 contains a DNS rebinding vulnerability in WebSocket endpoints that allows remote attackers to bypass Host and Origin validation. FastAPI HTTP middleware does not execute for WebSocket upgrade requests on /api/pty, /api/ws, /api/pub,…

  • Medium 5.3

    NousResearch hermes-agent Webhook Endpoint feishu.py _handle_webhook_request resource consumption

    A security vulnerability has been detected in NousResearch hermes-agent up to 2026.4.30. This vulnerability affects the function _handle_webhook_request of the file gateway/platforms/feishu.py of the component Webhook Endpoint. Such manipulation leads to reso…

  • Medium 6.3

    NousResearch hermes-agent memory_tool.py _scan_memory_content injection

    A weakness has been identified in NousResearch hermes-agent up to 2026.4.30. This affects the function _scan_memory_content of the file tools/memory_tool.py. This manipulation causes injection. The attack can be initiated remotely. The exploit has been made a…

  • Medium 5.6

    NousResearch hermes-agent config.py _sanitize_env_lines injection

    A security flaw has been discovered in NousResearch hermes-agent up to 2026.4.30. Affected by this issue is the function _sanitize_env_lines of the file hermes_cli/config.py. The manipulation results in injection. It is possible to launch the attack remotely.…

  • High 7.3

    NousResearch hermes-agent run_agent.py _compress_context injection

    A vulnerability was identified in NousResearch hermes-agent up to 0.12.0. Affected by this vulnerability is the function _compress_context of the file run_agent.py. The manipulation leads to injection. It is possible to initiate the attack remotely. The explo…

  • Medium 5.3

    NousResearch hermes-agent CLI web-dashboard web_server.py _discover_dashboard_plugins comparison

    A security flaw has been discovered in NousResearch hermes-agent 2026.4.23. Affected is the function _discover_dashboard_plugins of the file hermes_cli/web_server.py of the component CLI web-dashboard Interface. Performing a manipulation of the argument HERME…

  • High 7.3

    NousResearch hermes-agent Environment Variable code_execution_tool.py execute_code sandbox

    A vulnerability was identified in NousResearch hermes-agent up to 2026.4.16. This impacts the function execute_code of the file tools/code_execution_tool.py of the component Environment Variable Handler. Such manipulation leads to sandbox issue. It is possibl…

  • High 7.3

    NousResearch hermes-agent prompt_builder.py _scan_context_content injection

    A vulnerability was found in NousResearch hermes-agent 2026.4.23. The impacted element is the function _scan_context_content of the file agent/prompt_builder.py. The manipulation results in injection. The attack may be performed from remote. The exploit has b…

  • High 7.3

    NousResearch hermes-agent Skills Guard Multi-Word Prompt skills_guard.py injection

    A security vulnerability has been detected in NousResearch hermes-agent up to 2026.4.23. Impacted is an unknown function of the file agent/skills_guard.py of the component Skills Guard Multi-Word Prompt Handler. The manipulation of the argument THREAT_PATTERN…