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EUVD-2026-43339

🗓️ 13 Jul 2026 10:47:33Reported by EUVDType 
euvd
 euvd
🔗 euvd.enisa.europa.eu👁 4 Views

Mattermost fails to enforce manage_shared_channels in /share-channel autocomplete, exposing metadata.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-9824
13 Jul 202610:47
attackerkb
Circl
CVE-2026-9824
13 Jul 202613:19
circl
CVE
CVE-2026-9824
13 Jul 202610:47
cve
Cvelist
CVE-2026-9824 Remote cluster metadata enumeration via /share-channel autocomplete
13 Jul 202610:47
cvelist
NVD
CVE-2026-9824
13 Jul 202611:16
nvd
Positive Technologies
PT-2026-57806
13 Jul 202600:00
ptsecurity
Vulnrichment
CVE-2026-9824 Remote cluster metadata enumeration via /share-channel autocomplete
13 Jul 202610:47
vulnrichment
[
  {
    "enisaIdVendor": [
      {
        "id": "de170692-deae-3027-a94a-d79506c88441",
        "vendor": {
          "name": "Mattermost"
        }
      }
    ],
    "enisaIdProduct": [
      {
        "id": "04d5d99f-3b42-3bed-95cb-a47aab51cf42",
        "product": {
          "name": "Mattermost",
          "vendor": {
            "name": "Mattermost"
          }
        },
        "product_version": "11.6.0 ≤11.6.4"
      },
      {
        "id": "2d2eda66-951c-3181-86ba-ca59e2e89002",
        "product": {
          "name": "Mattermost",
          "vendor": {
            "name": "Mattermost"
          }
        },
        "product_version": "10.11.0 ≤10.11.19"
      },
      {
        "id": "3d82272b-445f-3863-886c-cfcc7d305bb5",
        "product": {
          "name": "Mattermost",
          "vendor": {
            "name": "Mattermost"
          }
        },
        "product_version": "11.7.0 ≤11.7.2"
      }
    ]
  }
]

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13 Jul 2026 13:10Current
6.1Medium risk
Vulners AI Score6.1
CVSS 3.14.3
SSVC
4