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CVE-2026-24880 Apache Tomcat: Request smuggling via invalid chunk extension

🗓️ 09 Apr 2026 19:12:10Reported by apacheType 
cvelist
 cvelist
🔗 www.cve.org👁 19 Views

Tomcat request smuggling via invalid chunk extension; upgrade to 11.0.20, 10.1.52, or 9.0.116.

Related
Affected
Refs
[
  {
    "defaultStatus": "unaffected",
    "product": "Apache Tomcat",
    "vendor": "Apache Software Foundation",
    "versions": [
      {
        "lessThanOrEqual": "11.0.18",
        "status": "affected",
        "version": "11.0.0-M1",
        "versionType": "semver"
      },
      {
        "lessThanOrEqual": "10.1.52",
        "status": "affected",
        "version": "10.1.0-M1",
        "versionType": "semver"
      },
      {
        "lessThanOrEqual": "9.0.115",
        "status": "affected",
        "version": "9.0.0.M1",
        "versionType": "semver"
      },
      {
        "lessThanOrEqual": "8.5.100",
        "status": "affected",
        "version": "8.5.0",
        "versionType": "semver"
      },
      {
        "lessThanOrEqual": "7.0.109",
        "status": "affected",
        "version": "7.0.0",
        "versionType": "semver"
      },
      {
        "lessThan": "7.0.0",
        "status": "unknown",
        "version": "0",
        "versionType": "semver"
      },
      {
        "lessThanOrEqual": "8.0.53",
        "status": "unknown",
        "version": "8.0.0-RC1",
        "versionType": "semver"
      }
    ]
  }
]

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