CVE-2026-84288: Denial of Service in NousResearch hermes-agent
A vulnerability has been found in NousResearch hermes-agent up to 0.18.2. This affects the function HermesACPAgent.prompt of the file acp_adapter/session.py of the component ACP Prompt Workflow. Such manipulation leads to denial of service. The attack may be performed from remote. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
CVE-2026-84288: Denial of Service in NousResearch hermes-agent
Description
A vulnerability has been found in NousResearch hermes-agent up to 0.18.2. This affects the function HermesACPAgent.prompt of the file acp_adapter/session.py of the component ACP Prompt Workflow. Such manipulation leads to denial of service. The attack may be performed from remote. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
CVSS v4.0
Score 5.3medium
Affected software
cpe:2.3:a:nousresearch:hermes-agent:*:*:*:*:*:*:*:*Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulDB
- Date Reserved
- 2026-09-01T15:48:37.100Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a974228acd9273b49373d3e
Added to database: 09/01/2026, 21:22:48 UTC
Last updated: 09/01/2026, 22:37:35 UTC
Views: 4
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