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CVE-2026-25780

🗓️ 16 Mar 2026 12:59:13Reported by MattermostType 
cve
 cve
🔗 web.nvd.nist.gov👁 4 Views

Authenticated attacker can exhaust memory and cause denial of service via malformed document uploads on Mattermost.

Related
Detection
Affected
Refs
NVD
Node
mattermostmattermost_serverRange10.11.010.11.11
OR
mattermostmattermost_serverRange11.2.011.2.3
OR
mattermostmattermost_serverRange11.3.011.3.1
[
  {
    "defaultStatus": "unaffected",
    "product": "Mattermost",
    "vendor": "Mattermost",
    "versions": [
      {
        "lessThanOrEqual": "11.3.0",
        "status": "affected",
        "version": "11.3.0",
        "versionType": "semver"
      },
      {
        "lessThanOrEqual": "11.2.2",
        "status": "affected",
        "version": "11.2.0",
        "versionType": "semver"
      },
      {
        "lessThanOrEqual": "10.11.10",
        "status": "affected",
        "version": "10.11.0",
        "versionType": "semver"
      },
      {
        "version": "11.4.0",
        "status": "unaffected"
      },
      {
        "version": "11.3.1",
        "status": "unaffected"
      },
      {
        "version": "11.2.3",
        "status": "unaffected"
      },
      {
        "version": "10.11.11",
        "status": "unaffected"
      }
    ]
  }
]

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18 Mar 2026 18:13Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.14.3
EPSS0.00061
SSVC
4