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EUVD-2026-12518

🗓️ 16 Mar 2026 21:34:33Reported by EUVDType 
euvd
 euvd
🔗 euvd.enisa.europa.eu

Mattermost 10.11.x to 10.11.10 fail to validate permissions in team member roles API, guest demotion allowed.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-26230
16 Mar 202620:19
attackerkb
CNNVD
Mattermost 安全漏洞
16 Mar 202600:00
cnnvd
CVE
CVE-2026-26230
16 Mar 202620:19
cve
Cvelist
CVE-2026-26230 Team Admin Privilege Escalation to Demote Members to Guest
16 Mar 202620:19
cvelist
NVD
CVE-2026-26230
16 Mar 202621:16
nvd
Positive Technologies
PT-2026-25813
16 Mar 202600:00
ptsecurity
RedhatCVE
CVE-2026-26230
16 Mar 202622:19
redhatcve
Snyk
Incorrect Authorization
16 Mar 202622:46
snyk
Snyk
Incorrect Authorization
16 Mar 202622:46
snyk
Vulnrichment
CVE-2026-26230 Team Admin Privilege Escalation to Demote Members to Guest
16 Mar 202620:19
vulnrichment
Rows per page
[
  {
    "enisaIdVendor": [
      {
        "id": "1aa6c537-272a-3f02-90e1-155f9de3bfb7",
        "vendor": {
          "name": "Mattermost"
        }
      }
    ],
    "enisaIdProduct": [
      {
        "id": "1aa6c537-272a-3f02-90e1-155f9de3bfb7",
        "product": {
          "name": "Mattermost"
        },
        "product_version": ""
      },
      {
        "id": "3272dc4b-3cf4-3af8-889c-bc8f8b061671",
        "product": {
          "name": "Mattermost"
        },
        "product_version": "10.11.0 ≤10.11.10"
      }
    ]
  }
]

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16 Mar 2026 21:34Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.13.8
EPSS0.00159
0