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CVE-2026-3114

🗓️ 26 Mar 2026 16:21:19Reported by MattermostType 
cve
 cve
🔗 web.nvd.nist.gov👁 9 Views

CVE-2026-3114: Mattermost suffers zip bomb DoS during extraction by authenticated file upload users.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-3114
26 Mar 202616:21
attackerkb
Circl
CVE-2026-3114
27 Mar 202603:00
circl
CNNVD
Mattermost 安全漏洞
26 Mar 202600:00
cnnvd
Cvelist
CVE-2026-3114 Zip Bomb Denial of Service via Unrestricted Archive Decompression
26 Mar 202616:21
cvelist
EUVD
EUVD-2026-16242
26 Mar 202618:31
euvd
Github Security Blog
Mattermost doesn't validate decompressed archive entry sizes during file extraction
26 Mar 202618:31
github
NVD
CVE-2026-3114
26 Mar 202617:16
nvd
OSV
GHSA-VHGH-G7X8-4RX8 Mattermost doesn't validate decompressed archive entry sizes during file extraction
26 Mar 202618:31
osv
Positive Technologies
PT-2026-28423
26 Mar 202600:00
ptsecurity
RedhatCVE
CVE-2026-3114
26 Mar 202619:27
redhatcve
Rows per page
NVD
Node
mattermostmattermost_serverRange10.11.010.11.12
OR
mattermostmattermost_serverRange11.2.011.2.4
OR
mattermostmattermost_serverRange11.3.011.3.2
OR
[
  {
    "defaultStatus": "unaffected",
    "product": "Mattermost",
    "vendor": "Mattermost",
    "versions": [
      {
        "lessThanOrEqual": "11.4.0",
        "status": "affected",
        "version": "11.4.0",
        "versionType": "semver"
      },
      {
        "lessThanOrEqual": "11.3.1",
        "status": "affected",
        "version": "11.3.0",
        "versionType": "semver"
      },
      {
        "lessThanOrEqual": "11.2.3",
        "status": "affected",
        "version": "11.2.0",
        "versionType": "semver"
      },
      {
        "lessThanOrEqual": "10.11.11",
        "status": "affected",
        "version": "10.11.0",
        "versionType": "semver"
      },
      {
        "version": "11.5.0",
        "status": "unaffected"
      },
      {
        "version": "11.4.1",
        "status": "unaffected"
      },
      {
        "version": "11.3.2",
        "status": "unaffected"
      },
      {
        "version": "11.2.4",
        "status": "unaffected"
      },
      {
        "version": "10.11.12",
        "status": "unaffected"
      }
    ]
  }
]

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17 Jun 2026 10:43Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.16.5
EPSS0.00343
SSVC
9