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CVE-2026-14298

🗓️ 13 Aug 2026 08:03:00Reported by MattermostType 
cve
 cve
🔗 web.nvd.nist.gov👁 12 Views

Mattermost Boards import allows authenticated zip bomb DoS via bypassed file size limits.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2026-14298
13 Aug 202608:03
attackerkb
cvelist
Cvelist
CVE-2026-14298 Denial of service via resource exhaustion in Mattermost
13 Aug 202608:03
cvelist
euvd
EUVD
EUVD-2026-57742
13 Aug 202608:03
euvd
nvd
NVD
CVE-2026-14298
13 Aug 202609:17
nvd
vulnrichment
Vulnrichment
CVE-2026-14298 Denial of service via resource exhaustion in Mattermost
13 Aug 202608:03
vulnrichment
[
  {
    "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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13 Aug 2026 15:19Current
5.2Medium risk
Vulners AI Score5.2
CVSS 3.16.5
SSVC
12