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.
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Fixes

Solution

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Workaround

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History

Tue, 20 Oct 2026 19:30:00 +0000

Type Values Removed Values Added
References

Tue, 20 Oct 2026 16:30:00 +0000

Type Values Removed Values Added
First Time appeared Apache
Apache apache Tomcat
Apache tomcat
Apache Software Foundation
Apache Software Foundation tomcat
Vendors & Products Apache
Apache apache Tomcat
Apache tomcat
Apache Software Foundation
Apache Software Foundation tomcat

Tue, 20 Oct 2026 14:00:00 +0000

Type Values Removed Values Added
Description 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.
Title Apache Tomcat: Possible TLS 1.3 connection failures
Weaknesses CWE-459
References

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: apache

Published:

Updated: 2026-10-20T18:10:09.969Z

Reserved: 2026-09-17T22:18:31.729Z

Link: CVE-2026-93446

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-10-20T14:17:04.473

Modified: 2026-10-20T19:35:38.940

Link: CVE-2026-93446

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-20T18:15:14Z

Weaknesses