Incorrect object recycling and re-use vulnerability in Apache Tomcat affecting HTTP/2 processing of asynchronous servlets can trigger request and/or response mix-up between users.
This issue affects Apache Tomcat: from 11.0.22 through 11.0.26, from 10.1.55 through 10.1.60, from 9.0.118 through 9.0.122.
Users are recommended to upgrade to version 11.0.27, 10.1.61 or 9.0.123, which fixes the issue.
CVE-2026-101356
NONE
Updated Oct 20, 2026
Apache Software Foundation
apache software foundation:apache tomcat
CVE Details
CVE ID
CVE-2026-101356
Published Date
Oct 20, 2026
Vendor
Apache Software Foundation
Severity
NONE
Impact
Minimal impact
Source
View Advisory