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CVE-2026-14298 Denial of service via resource exhaustion in Mattermost

🗓️ 13 Aug 2026 08:03:00Reported by MattermostType 
cvelist
 cvelist
🔗 www.cve.org👁 6 Views

Mattermost Boards archive import allows authenticated users to exhaust memory or disk via crafted .boardarchive files.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2026-14298
13 Aug 202608:03
attackerkb
cve
CVE
CVE-2026-14298
13 Aug 202608:03
cve
euvd
EUVD
EUVD-2026-57742
13 Aug 202608:03
euvd
nvd
NVD
CVE-2026-14298
13 Aug 202609:17
nvd
[
  {
    "defaultStatus": "unaffected",
    "product": "Mattermost",
    "vendor": "Mattermost",
    "versions": [
      {
        "lessThanOrEqual": "11.9.0",
        "status": "affected",
        "version": "11.9.0",
        "versionType": "semver"
      },
      {
        "lessThanOrEqual": "11.8.4",
        "status": "affected",
        "version": "11.8.0",
        "versionType": "semver"
      },
      {
        "lessThanOrEqual": "11.7.7",
        "status": "affected",
        "version": "11.7.0",
        "versionType": "semver"
      },
      {
        "lessThanOrEqual": "10.11.22",
        "status": "affected",
        "version": "10.11.0",
        "versionType": "semver"
      },
      {
        "version": "11.10.0",
        "status": "unaffected"
      },
      {
        "version": "11.9.1",
        "status": "unaffected"
      },
      {
        "version": "11.8.5",
        "status": "unaffected"
      },
      {
        "version": "11.7.8",
        "status": "unaffected"
      },
      {
        "version": "10.11.23",
        "status": "unaffected"
      }
    ]
  }
]

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