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CVE-2026-53869

🗓️ 17 Jun 2026 17:57:30Reported by VulnCheckType 
cve
 cve
🔗 web.nvd.nist.gov👁 6 Views

CVE-2026-53869 : Hermes Agent prior to 0.16.0 has a DNS rebinding vulnerability in WebSocket endpoints that allows remote attackers to bypass Host and Origin validation. The FastAPI HTTP middleware is not executed for WebSocket upgrade requests on...

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
Circl
CVE-2026-53869
17 Jun 202621:52
circl
Cvelist
CVE-2026-53869 Hermes Agent < 0.16.0 - DNS Rebinding Bypass via WebSocket Endpoints
17 Jun 202617:57
cvelist
EUVD
EUVD-2026-37774
17 Jun 202617:57
euvd
NVD
CVE-2026-53869
17 Jun 202619:18
nvd
Positive Technologies
PT-2026-50518
17 Jun 202600:00
ptsecurity
Vulners
Node
[
  {
    "vendor": "NousResearch",
    "product": "hermes-agent",
    "defaultStatus": "unaffected",
    "packageURL": "pkg:npm/hermes-agent",
    "versions": [
      {
        "version": "0",
        "status": "affected",
        "versionType": "semver",
        "lessThan": "0.16.0"
      },
      {
        "version": "0.16.0",
        "status": "unaffected",
        "versionType": "semver"
      }
    ],
    "repo": "https://github.com/NousResearch/hermes-agent"
  }
]

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17 Jun 2026 20:21Current
5.6Medium risk
Vulners AI Score5.6
CVSS 3.17.5
CVSS 48.7
6