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          "type": "finder",
          "value": "Sebastian Koller of Iteas IT Services GmbH (Austria) for responsible discovery and disclosure of this vulnerability."
        },
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          "type": "reporter",
          "value": "Sebastian Koller of Iteas IT Services GmbH (Austria) for responsible coordination and providing detailed evidence supporting root cause identification."
        }
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      "datePublic": "2026-05-29T21:09:00.000Z",
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            "userInteraction": "NONE",
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              "cweId": "CWE-362",
              "description": "CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition)",
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              "type": "CWE"
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        },
        {
          "descriptions": [
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              "cweId": "CWE-488",
              "description": "CWE-488 Exposure of data element to wrong session",
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        "dateUpdated": "2026-05-29T21:19:17.118Z",
        "orgId": "1c053176-eef3-4d6a-ae0b-24728c86587b",
        "shortName": "ExtremeNetworks"
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          "tags": [
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          "url": "https://community.extremenetworks.com/t5/security-advisories-formerly/sa-2026-048-extremecloud-iq-cross-tenant-data-exposure-via/ba-p/121851"
        }
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      "source": {
        "advisory": "SA-2026-048",
        "discovery": "EXTERNAL"
      },
      "title": "ExtremeCloud IQ Cross Tenant Data Exposure via Extreme Platform One Authentication Race Condition",
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    "assignerShortName": "ExtremeNetworks",
    "cveId": "CVE-2026-9831",
    "datePublished": "2026-05-29T21:19:17.118Z",
    "dateReserved": "2026-05-28T12:21:45.520Z",
    "dateUpdated": "2026-05-29T21:19:17.118Z",
    "state": "PUBLISHED"
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