High severity · published Apr 9, 2026
CVE-2026-29129
Apache Tomcat: TLS cipher order is not preserved
7.5
CVSS
0.3%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 17% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
TO
Tomcat · Apache
11.0.16 through 11.0.18; 10.1.51 through 10.1.52; 9.0.114 through 9.0.115 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-29129
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-29129
Mailing List
https://lists.apache.org/thread/r4h1t6f8xhxsxfm6c2z5cprolsosho3f
Mailing List
http://www.openwall.com/lists/oss-security/2026/04/09/22
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