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CVE-2026-96260 Mattermost server missing request body size limit on plugin routes allows denial of service by an authenticated user

🗓️ 22 Sep 2026 20:34:49Reported by MattermostType 
cvelist
 cvelist
🔗 www.cve.org👁 44 Views

Authenticated DoS in Mattermost 11.10.x <= 11.10.1 via missing request body size limit.

Related
Affected
Refs
[
  {
    "defaultStatus": "unaffected",
    "product": "Mattermost",
    "vendor": "Mattermost",
    "versions": [
      {
        "lessThanOrEqual": "11.9.1",
        "status": "affected",
        "version": "11.9.0",
        "versionType": "semver"
      },
      {
        "lessThanOrEqual": "11.8.5",
        "status": "affected",
        "version": "11.8.0",
        "versionType": "semver"
      },
      {
        "lessThanOrEqual": "11.7.10",
        "status": "affected",
        "version": "11.7.0",
        "versionType": "semver"
      },
      {
        "lessThanOrEqual": "11.10.1",
        "status": "affected",
        "version": "11.10.0",
        "versionType": "semver"
      },
      {
        "version": "11.11.0",
        "status": "unaffected"
      },
      {
        "version": "11.9.2",
        "status": "unaffected"
      },
      {
        "version": "11.8.6",
        "status": "unaffected"
      },
      {
        "version": "11.7.11",
        "status": "unaffected"
      },
      {
        "version": "11.10.2",
        "status": "unaffected"
      }
    ]
  }
]

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