Apache Tomcat: TLS cipher order is not preserved

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Summary

CVECVE-2026-29129
StatePUBLISHED
Assignerapache
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-04-09 20:16:24 UTC
Updated2026-04-10 19:16:21 UTC
DescriptionConfigured 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.

Risk And Classification

Primary CVSS: v3.1 7.5 HIGH from ADP

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Problem Types: CWE-327 | Configured cipher preference order not preserved | CWE-327 CWE-327 Use of a Broken or Risky Cryptographic Algorithm

VersionSourceTypeScoreSeverityVector
3.1ADPDECLARED7.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
3.1134c704f-9b21-4f2e-91b3-4a467353bcc0Secondary7.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Apache Software Foundation Apache Tomcat affected 11.0.16 11.0.18 semver Not specified
CNA Apache Software Foundation Apache Tomcat affected 10.1.51 10.1.52 semver Not specified
CNA Apache Software Foundation Apache Tomcat affected 9.0.114 9.0.115 semver Not specified

References

ReferenceSourceLinkTags
www.openwall.com/lists/oss-security/2026/04/09/22 af854a3a-2127-422b-91ae-364da2661108 www.openwall.com
lists.apache.org/thread/r4h1t6f8xhxsxfm6c2z5cprolsosho3f [email protected] lists.apache.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
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