CVE-2026-24880

HIGH

7.5

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.

CVE Details

CVSS v3.1 Score7.5

SeverityHIGH

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published4/9/2026

Last Modified4/14/2026

Sourcenvd

Honeypot Sightings0

Affected Products

apache:tomcat

Weaknesses (CWE)

CWE-444

References

https://lists.apache.org/thread/2c682qnlg2tv4o5knlggqbl9yc2gb5sn(security@apache.org)

http://www.openwall.com/lists/oss-security/2026/04/09/20(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

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