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CVE-2026-9831 ExtremeCloud IQ Cross Tenant Data Exposure via Extreme Platform One Authentication Race Condition

🗓️ 29 May 2026 21:19:17Reported by ExtremeNetworksType 
cvelist
 cvelist
🔗 www.cve.org👁 32 Views

Race condition in Extreme Platform One gateway authentication may expose another tenant's data during high concurrency.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-9831
29 May 202621:19
attackerkb
Circl
CVE-2026-9831
30 May 202600:54
circl
CNNVD
Extreme Networks Extreme Platform ONE IAM Gateway 安全漏洞
29 May 202600:00
cnnvd
CVE
CVE-2026-9831
29 May 202621:19
cve
EUVD
EUVD-2026-33445
30 May 202600:30
euvd
NVD
CVE-2026-9831
29 May 202622:16
nvd
Positive Technologies
PT-2026-44998
29 May 202600:00
ptsecurity
RedhatCVE
CVE-2026-9831
1 Jun 202616:03
redhatcve
Vulnrichment
CVE-2026-9831 ExtremeCloud IQ Cross Tenant Data Exposure via Extreme Platform One Authentication Race Condition
29 May 202621:19
vulnrichment
[
  {
    "vendor": "Extreme Networks",
    "product": "Extreme Platform ONE",
    "platforms": [
      "SaaS (Cloud Hosted)"
    ],
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "lessThan": "25.10.0-104",
        "versionType": "custom"
      },
      {
        "status": "unaffected",
        "version": "25.10.0-104",
        "versionType": "custom"
      }
    ],
    "defaultStatus": "unaffected"
  }
]

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