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CVE-2026-79677 Apache Tomcat: WebSocket DoS due to lost asynchronous write timeout

🗓️ 23 Sep 2026 11:28:03Reported by apacheType 
cvelist
 cvelist
🔗 www.cve.org👁 50 Views

Apache Tomcat 11.0.0-M1 through 9.0.121 DoS via lost asynchronous WebSocket write timeouts.

Related
Affected
Refs
[
  {
    "vendor": "Apache Software Foundation",
    "product": "Apache Tomcat",
    "versions": [
      {
        "status": "affected",
        "version": "11.0.0-M1",
        "lessThanOrEqual": "11.0.25",
        "versionType": "semver"
      },
      {
        "status": "affected",
        "version": "10.1.0-M1",
        "lessThanOrEqual": "10.1.59",
        "versionType": "semver"
      },
      {
        "status": "affected",
        "version": "9.0.0.M1",
        "lessThanOrEqual": "9.0.121",
        "versionType": "semver"
      },
      {
        "status": "affected",
        "version": "8.5.0",
        "lessThanOrEqual": "8.5.100",
        "versionType": "semver"
      },
      {
        "status": "affected",
        "version": "7.0.43",
        "lessThanOrEqual": "7.0.109",
        "versionType": "semver"
      },
      {
        "status": "unaffected",
        "version": "0",
        "lessThan": "7.0.43",
        "versionType": "semver"
      }
    ],
    "defaultStatus": "unaffected"
  }
]

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