CVE-2026-29129

Description

Configured cipher preference order not preserved vulnerability in Apache Tomcat. This issue affects Apache Tomcat: from 11.0.16 through 11.0.18, from 10.1.51 through 10.1.52, from 9.0.114 through 9.0.115. Users are recommended to upgrade to version 11.0.20, 10.1.53 or 9.0.116, which fix the issue.

How to fix CVE-2026-29129

To remediate CVE-2026-29129, upgrade the affected package to a fixed version below.

• —upgrade to 9.0.116 or later
• —no fix listed
• —no fix listed
• —upgrade to 9.0.70-2 or later
• —upgrade to 9.0.116 or later
• —upgrade to 9.0.116 or later
• —upgrade to 9.0.116 or later

Is CVE-2026-29129 being exploited?

Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.

Affected packages (7)

• >= 9.0.114, < 9.0.116, >= 10.1.51, < 10.1.53, >= 11.0.16, < 11.0.20
• from 0
• from 0
• from 0, < 9.0.70-2
• >= 9.0.114, < 9.0.116
• >= 9.0.114, < 9.0.116
• >= 9.0.114, < 9.0.116

CVSS scores

References (11)

• ADVISORYnvd.nist.gov/vuln/detail/CVE-2026-29129
• ADVISORYsecurity-tracker.debian.org/tracker/CVE-2026-29129
• PATCHgithub.com/apache/tomcat
• WEBgithub.com/apache/tomcat/commit/5cfa876d73f1ff5f4dc8309c4320f684cbeff74e