CVE-2026-93446 PUBLISHED

Apache Tomcat: Possible TLS 1.3 connection failures

Assigner: apache
Reserved: 17.09.2026 Published: 20.10.2026 Updated: 20.10.2026

Incomplete cleanup vulnerability in Apache Tomcat could cause TLS 1.3 connections to fail intermittently.

This issue affects Apache Tomcat: from 11.0.0-M21 through 11.0.26, from 10.1.25 through 10.1.60, from 9.0.90 through 9.0.122.

Users are recommended to upgrade to version 11.0.27, 10.1.61 or 9.0.123, which fix the issue.

Vendor	Apache Software Foundation
Product	Apache Tomcat
Versions	Default: unaffected affected from 11.0.0-M21 to 11.0.26 (incl.) affected from 10.1.25 to 10.1.60 (incl.) affected from 9.0.90 to 9.0.122 (incl.)