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CVE-2026-14298

🗓️ 13 Aug 2026 08:03:00Reported by MattermostType 
cve
 cve
🔗 web.nvd.nist.gov👁 46 Views

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

Related
Detection
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
osv
OSV
MINI-JVXJ-96V4-8P5C
19 Aug 202613:48
osv
osv
OSV
MINI-M5J9-82RP-69GC
19 Aug 202613:48
osv
ptsecurity
Positive Technologies
PT-2026-71399
13 Aug 202600:00
ptsecurity
vulnrichment
Vulnrichment
CVE-2026-14298 Denial of service via resource exhaustion in Mattermost
13 Aug 202608:03
vulnrichment
NVD
Node
OR
mattermostmattermost_serverRange10.11.010.11.23
mattermostmattermost_serverRange11.7.011.7.8
mattermostmattermost_serverRange11.8.011.8.5
mattermostmattermost_serverRange11.9.011.9.1
[
  {
    "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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18 Aug 2026 16:20Current
5.2Medium risk
Vulners AI Score5.2
CVSS 3.16.5
EPSS0.0024
SSVC
46