Configuration in Apache Tomcat - CVE-2026-29129

Vulnerability identifier: #VU125741

CSH Severity: Medium

CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]

CVE-ID: CVE-2026-29129

CWE-ID: CWE-16

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to cause the server to use TLS cipher suites in an unintended order.

The vulnerability exists due to improper configuration handling in TLS 1.3 cipher suite configuration when negotiating TLS connections. A remote attacker can initiate a TLS connection to cause the server to use TLS cipher suites in an unintended order.

Apache Tomcat
SUSE Linux Enterprise Server 15 SP5
SUSE Linux Enterprise Server 12 SP5 LTSS Extended
SUSE Linux Enterprise Server 12 SP5
SUSE Linux Enterprise Server 15 SP4
SUSE Linux Enterprise Server 15 SP6
Debian Linux
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise High Performance Computing ESPOS 15
SUSE Linux Enterprise High Performance Computing 15
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise High Performance Computing LTSS 15
SUSE Linux Enterprise Server for SAP Applications 12
SUSE Linux Enterprise Server 12
SUSE Linux Enterprise High Performance Computing 12
Web and Scripting Module
openSUSE Leap
openEuler
Anolis OS
IBM Watson Discovery for IBM Cloud Pak for Data
Bamboo Data Center
Jira Software Data Center
Jira Service Management Data Center
Integration Bus for z/OS
ApplinX
tomcat-help
tomcat
tomcat-webapps
tomcat-servlet-4.0-api
tomcat-lib
tomcat-jsp-2.3-api
tomcat-el-3.0-api
tomcat-docs-webapp
tomcat-doc
tomcat-admin-webapps
tomcat-jsvc
tomcat-jsp-2_3-api
tomcat-servlet-4_0-api
tomcat-el-3_0-api
tomcat-javadoc
tomcat10
tomcat10-webapps
tomcat10-servlet-6_0-api
tomcat10-lib
tomcat10-el-5_0-api
tomcat10-admin-webapps
tomcat10-jsp-3_1-api
tomcat10 (Debian package)
tomcat11-webapps
tomcat11-embed
tomcat11-jsvc
tomcat11-jsp-4_0-api
tomcat11-lib
tomcat11-doc
tomcat11
tomcat11-docs-webapp
tomcat11-admin-webapps
tomcat11-el-6_0-api
tomcat11-servlet-6_1-api
tomcat11 (Debian package)

Install security update from vendor's website.

Apache Tomcat - addressed in versions 9.0.116, 10.1.53, 11.0.20
IBM Watson Discovery for IBM Cloud Pak for Data - update to 5.3.2
Bamboo Data Center - addressed in versions 9.6.25, 10.2.18, 12.1.7
Jira Software Data Center - addressed in versions 9.12.35, 10.3.20, 11.3.5
Jira Service Management Data Center - addressed in versions 10.3.20, 11.3.5
tomcat-help - update to 9.0.117-1
tomcat - update to 9.0.117-1
tomcat-webapps - update to 9.0.117-1
tomcat-servlet-4.0-api - update to 9.0.117-1
tomcat-lib - update to 9.0.117-1
tomcat-jsp-2.3-api - update to 9.0.117-1
tomcat-el-3.0-api - update to 9.0.117-1
tomcat-docs-webapp - update to 9.0.117-1
tomcat-doc - update to 9.0.117-1
tomcat-admin-webapps - update to 9.0.117-1
tomcat - update to 9.0.117-1
tomcat-jsvc - update to 9.0.117-1
tomcat-webapps - addressed in versions 9.0.117-3.163.2, 9.0.117-150200.105.1
tomcat-admin-webapps - addressed in versions 9.0.117-3.163.2, 9.0.117-150200.105.1
tomcat-jsp-2_3-api - addressed in versions 9.0.117-3.163.2, 9.0.117-150200.105.1
tomcat-servlet-4_0-api - addressed in versions 9.0.117-3.163.2, 9.0.117-150200.105.1
tomcat - addressed in versions 9.0.117-3.163.2, 9.0.117-150200.105.1
tomcat-lib - addressed in versions 9.0.117-3.163.2, 9.0.117-150200.105.1
tomcat-docs-webapp - update to 9.0.117-3.163.2
tomcat-el-3_0-api - addressed in versions 9.0.117-3.163.2, 9.0.117-150200.105.1
tomcat-javadoc - update to 9.0.117-3.163.2
tomcat10 - update to 10.1.54-150200.5.64.1
tomcat10-webapps - update to 10.1.54-150200.5.64.1
tomcat10-servlet-6_0-api - update to 10.1.54-150200.5.64.1
tomcat10-lib - update to 10.1.54-150200.5.64.1
tomcat10-el-5_0-api - update to 10.1.54-150200.5.64.1
tomcat10-admin-webapps - update to 10.1.54-150200.5.64.1
tomcat10-jsp-3_1-api - update to 10.1.54-150200.5.64.1
tomcat10 (Debian package) - addressed in versions 10.1.55-1~deb12u1, 10.1.55-1~deb13u1
tomcat11-webapps - update to 11.0.21-150600.13.18.1
tomcat11-embed - update to 11.0.21-150600.13.18.1
tomcat11-jsvc - update to 11.0.21-150600.13.18.1
tomcat11-jsp-4_0-api - update to 11.0.21-150600.13.18.1
tomcat11-lib - update to 11.0.21-150600.13.18.1
tomcat11-doc - update to 11.0.21-150600.13.18.1
tomcat11 - update to 11.0.21-150600.13.18.1
tomcat11-docs-webapp - update to 11.0.21-150600.13.18.1
tomcat11-admin-webapps - update to 11.0.21-150600.13.18.1
tomcat11-el-6_0-api - update to 11.0.21-150600.13.18.1
tomcat11-servlet-6_1-api - update to 11.0.21-150600.13.18.1
tomcat11 (Debian package) - update to 11.0.22-1~deb13u1

• https://tomcat.apache.org/security-11.html#Fixed_in_Apache_Tomcat_11.0.20
• https://tomcat.apache.org/security-10.html#Fixed_in_Apache_Tomcat_10.1.53
• https://tomcat.apache.org/security-9.html#Fixed_in_Apache_Tomcat_9.0.116
• https://lists.apache.org/thread/y4rgpnj4y3m8bg5kzjt8yyhx1qmzyx3r

• Multiple vulnerabilities in Apache Tomcat (March 2026 release)
• openEuler update for tomcat
• Anolis OS update for tomcat
• SUSE update for tomcat11
• SUSE update for tomcat
• SUSE update for tomcat10
• SUSE update for tomcat
• Multiple vulnerabilities in IBM Watson Discovery Cartridge
• Multiple vulnerabilities in IBM Integration Bus for z/OS
• Multiple vulnerabilities in Bamboo Data Center
• Multiple vulnerabilities in Jira Software Data Center
• Debian update for tomcat11
• Debian update for tomcat10
• Multiple vulnerabilities in IBM ApplinX
• Multiple vulnerabilities in Jira Service Management Data Center and Jira Service Management Server