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EUVD-2026-30751

🗓️ 18 May 2026 08:32:28Reported by EUVDType 
euvd
 euvd
🔗 euvd.enisa.europa.eu👁 4 Views

Mattermost 11.5.1 and 10.11.13 and 11.4.3 fail permission checks, exposing public playbooks.

Related
Affected
Refs
[
  {
    "enisaIdVendor": [
      {
        "id": "c4ce7746-ede5-314d-be2d-7b7474d54cfb",
        "vendor": {
          "name": "Mattermost"
        }
      }
    ],
    "enisaIdProduct": [
      {
        "id": "1a4d3650-7987-35ec-bb5a-12dfce209e8f",
        "product": {
          "name": "Mattermost"
        },
        "product_version": "11.5.0 ≤11.5.1"
      },
      {
        "id": "31593f6f-94cf-3d47-bd2d-23b8c1adee75",
        "product": {
          "name": "Mattermost"
        },
        "product_version": "10.11.0 ≤10.11.13"
      },
      {
        "id": "f882e98e-0d24-3a4e-89e5-7b72e28c865f",
        "product": {
          "name": "Mattermost"
        },
        "product_version": "11.4.0 ≤11.4.3"
      }
    ]
  }
]

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18 May 2026 14:37Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.14.3
EPSS0.00024
SSVC
4