NetSight
critical9.1

CVE-2026-101356

Incorrect object recycling and re-use vulnerability in Apache Tomcat affecting HTTP/2 processing of asynchronous servlets can trigger request and/or response m…

Impact

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.

Affected products

VendorProductAffected versions
ApacheApache 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.

Versions were read from the advisory text. No structured product data has been published for this record yet.

Weakness classification

References