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CVE-2026-7387 Mattermost group syncable endpoints allow privilege escalation via scheme_admin

🗓️ 12 Jun 2026 15:54:10Reported by MattermostType 
cvelist
 cvelist
🔗 www.cve.org👁 4 Views

Mattermost fails to require role-management for scheme_admin on group syncable endpoints, enabling escalation to team or channel admin.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
CVE
CVE-2026-7387
12 Jun 202615:54
cve
EUVD
EUVD-2026-36503
12 Jun 202615:54
euvd
NVD
CVE-2026-7387
12 Jun 202617:16
nvd
Positive Technologies
PT-2026-48941
12 Jun 202600:00
ptsecurity
Vulnrichment
CVE-2026-7387 Mattermost group syncable endpoints allow privilege escalation via scheme_admin
12 Jun 202615:54
vulnrichment
[
  {
    "defaultStatus": "unaffected",
    "product": "Mattermost",
    "vendor": "Mattermost",
    "versions": [
      {
        "lessThanOrEqual": "11.6.1",
        "status": "affected",
        "version": "11.6.0",
        "versionType": "semver"
      },
      {
        "lessThanOrEqual": "11.5.4",
        "status": "affected",
        "version": "11.5.0",
        "versionType": "semver"
      },
      {
        "lessThanOrEqual": "10.11.15",
        "status": "affected",
        "version": "10.11.0",
        "versionType": "semver"
      },
      {
        "lessThanOrEqual": "10.11.16",
        "status": "affected",
        "version": "10.11.0",
        "versionType": "semver"
      },
      {
        "version": "11.7.0",
        "status": "unaffected"
      },
      {
        "version": "11.6.2",
        "status": "unaffected"
      },
      {
        "version": "11.5.5",
        "status": "unaffected"
      },
      {
        "version": "10.11.16",
        "status": "unaffected"
      },
      {
        "version": "10.11.17",
        "status": "unaffected"
      }
    ]
  }
]

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