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CVE-2026-84288 NousResearch hermes-agent ACP Prompt Workflow session.py HermesACPAgent.prompt denial of service

🗓️ 01 Sep 2026 21:15:11Reported by VulDBType 
cvelist
 cvelist
🔗 www.cve.org👁 7 Views

Remote DoS in hermes-agent up to 0.18.2 via HermesACPAgent.prompt in ACP Prompt Workflow.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-84288
1 Sep 202621:15
cve
euvd
EUVD
EUVD-2026-69700
2 Sep 202600:31
euvd
nvd
NVD
CVE-2026-84288
1 Sep 202622:17
nvd
ptsecurity
Positive Technologies
PT-2026-84515
1 Sep 202600:00
ptsecurity
[
  {
    "vendor": "NousResearch",
    "product": "hermes-agent",
    "versions": [
      {
        "version": "0.18.0",
        "status": "affected"
      },
      {
        "version": "0.18.1",
        "status": "affected"
      },
      {
        "version": "0.18.2",
        "status": "affected"
      }
    ],
    "cpes": [
      "cpe:2.3:a:nousresearch:hermes-agent:*:*:*:*:*:*:*:*"
    ],
    "modules": [
      "ACP Prompt Workflow"
    ]
  }
]

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01 Sep 2026 21:15Current
CVSS 24
CVSS 3.14.3
CVSS 34.3
CVSS 45.3
7