CVE-2026-24880

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.

CVSS v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

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)

OR	cpe:2.3:a:apache:tomcat::::::::
	cpe:2.3:a:apache:tomcat::::::::
	cpe:2.3:a:apache:tomcat::::::::

History

No history.

Information

Published : 2026-04-09 20:16

Updated : 2026-06-17 10:23

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')

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