CVE-2026-24880

Severity CVSS v4.0:

Pending analysis

Type:

Unavailable / Other

Publication date:

09/04/2026

Last modified:

14/04/2026

Description

Inconsistent Interpretation of HTTP Requests (&#39;HTTP Request/Response Smuggling&#39;) 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.

Impact

Vector 3.x

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N CVSS v3.1 Severity and Metrics:

Base Score: 7.50 HIGH
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): High
Availability (A): None

Base Score 3.x

7.50

Severity 3.x

HIGH

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:a:apache:tomcat::::::::	9.0.0 (including)	9.0.116 (excluding)
cpe:2.3:a:apache:tomcat::::::::	10.1.0 (including)	10.1.53 (excluding)
cpe:2.3:a:apache:tomcat::::::::	11.0.0 (including)	11.0.20 (excluding)

To consult the complete list of CPE names with products and versions, see this page

CVE-2026-24880

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools