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CVE-2026-55198 Hermes WebUI < 0.51.443 - Cross-Profile Session Data Exfiltration via Session Export Endpoint

🗓️ 17 Jun 2026 17:59:25Reported by VulnCheckType 
cvelist
 cvelist
🔗 www.cve.org👁 6 Views

Hermes WebUI before 0.51.443 contains an authorization bypass vulnerability in the session export endpoint that allows authenticated users to access sessions from other profiles. The _handle_session_export handler in api/routes.py fails to verify ...

Related
Affected
Refs
ReporterTitlePublishedViews
Family
CVE
CVE-2026-55198
17 Jun 202617:59
cve
EUVD
EUVD-2026-37779
17 Jun 202617:59
euvd
NVD
CVE-2026-55198
17 Jun 202619:18
nvd
Positive Technologies
PT-2026-50523
17 Jun 202600:00
ptsecurity
Vulnrichment
CVE-2026-55198 Hermes WebUI < 0.51.443 - Cross-Profile Session Data Exfiltration via Session Export Endpoint
17 Jun 202617:59
vulnrichment
[
  {
    "vendor": "nesquena",
    "product": "hermes-webui",
    "defaultStatus": "unaffected",
    "packageURL": "pkg:npm/hermes-webui-devtools",
    "versions": [
      {
        "version": "0",
        "status": "affected",
        "versionType": "semver",
        "lessThan": "0.51.443"
      },
      {
        "version": "0.51.443",
        "status": "unaffected",
        "versionType": "semver"
      }
    ],
    "repo": "https://github.com/nesquena/hermes-webui"
  }
]

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17 Jun 2026 17:59Current
CVSS 3.16.5
CVSS 47.1
6