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.
References
| Link | Resource |
|---|---|
| https://lists.apache.org/thread/2c682qnlg2tv4o5knlggqbl9yc2gb5sn | Mailing List Vendor Advisory |
| http://www.openwall.com/lists/oss-security/2026/04/09/20 | Mailing List Third Party Advisory |
Configurations
Configuration 1 (hide)
|
History
14 Apr 2026, 20:02
| Type | Values Removed | Values Added |
|---|---|---|
| First Time |
Apache
Apache tomcat |
|
| CPE | cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:* | |
| References | () https://lists.apache.org/thread/2c682qnlg2tv4o5knlggqbl9yc2gb5sn - Mailing List, Vendor Advisory | |
| References | () http://www.openwall.com/lists/oss-security/2026/04/09/20 - Mailing List, Third Party Advisory |
10 Apr 2026, 19:16
| Type | Values Removed | Values Added |
|---|---|---|
| CVSS |
v2 : v3 : |
v2 : unknown
v3 : 7.5 |
10 Apr 2026, 00:16
| Type | Values Removed | Values Added |
|---|---|---|
| References |
|
09 Apr 2026, 20:16
| Type | Values Removed | Values Added |
|---|---|---|
| New CVE |
Information
Published : 2026-04-09 20:16
Updated : 2026-04-14 20:02
NVD link : CVE-2026-24880
Mitre link : CVE-2026-24880
CVE.ORG link : CVE-2026-24880
JSON object : View
Products Affected
apache
- tomcat
CWE
CWE-444
Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')