CVE-2026-24880

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

Vendor Apache Software Foundation
Product Apache Tomcat
Weakness CWE-444
Published April 9, 2026
Last update April 10, 2026

CVSS base score

What the vulnerability does

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.

Key dates

Disclosure timeline

April 9, 2026 CVE published
April 10, 2026 Record updated