vulnerability
Apache Tomcat: Low: Request smuggling via invalid chunk extension (CVE-2026-24880)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 8 | (AV:N/AC:L/Au:N/C:N/I:C/A:N) | Apr 10, 2026 | Apr 10, 2026 | Apr 13, 2026 |
Severity
8
CVSS
(AV:N/AC:L/Au:N/C:N/I:C/A:N)
Published
Apr 10, 2026
Added
Apr 10, 2026
Modified
Apr 13, 2026
Description
Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling') vulnerability in Apache Tomcat via invalid chunk extension.
This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.18, from 10.1.0-M1 through 10.1.52, from 9.0.0.M1 through 9.0.115, from 8.5.0 through 8.5.100, from 7.0.0 through 7.0.109.
Other, unsupported versions may also be affected.
Users are recommended to upgrade to version 11.0.20, 10.1.52 or 9.0.116, which fix the issue.
Solutions
apache-tomcat-upgrade-10_1_53apache-tomcat-upgrade-11_0_20apache-tomcat-upgrade-9_0_116
Rapid7 Labs
2026 Global Threat Landscape Report
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