Apache Tomcat up to 11.0.18 Cipher Preference Order information disclosure

CVSS Meta Temp Score
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CTI Interest Score
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3.6$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in Apache Tomcat up to 11.0.18. The impacted element is an unknown function of the component Cipher Preference Order. Such manipulation leads to information disclosure. This vulnerability is referenced as CVE-2026-29129. It is possible to launch the attack remotely. No exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Apache Tomcat up to 11.0.18. It has been rated as problematic. Affected by this issue is an unknown part of the component Cipher Preference Order. The manipulation with an unknown input leads to a information disclosure vulnerability. Using CWE to declare the problem leads to CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. Impacted is confidentiality. CVE summarizes:

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.

The advisory is shared for download at lists.apache.org. This vulnerability is handled as CVE-2026-29129 since 03/04/2026. The exploitation is known to be difficult. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 07/10/2026). The MITRE ATT&CK project declares the attack technique as T1592.

The vulnerability scanner Nessus provides a plugin with the ID 305911 (Linux Distros Unpatched Vulnerability : CVE-2026-29129), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 9.0.116, 10.1.53 or 11.0.20 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (305911) and CERT Bund (WID-SEC-2026-1038). Once again VulDB remains the best source for vulnerability data.

Affected

  • Debian Linux
  • Amazon Linux 2
  • IBM Power Hardware Management Console
  • Red Hat Enterprise Linux
  • SUSE Linux
  • Oracle Linux
  • SUSE openSUSE
  • IBM Spectrum Protect Plus
  • Apache Tomcat
  • HCL Commerce
  • Red Hat JBoss Web Server

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.7
VulDB Meta Temp Score: 3.6

VulDB Base Score: 3.7
VulDB Temp Score: 3.6
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Nessus ID: 305911
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2026-29129

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Tomcat 9.0.116/10.1.53/11.0.20

Timelineinfo

03/04/2026 CVE reserved
04/09/2026 +35 days Advisory disclosed
04/09/2026 +0 days VulDB entry created
07/10/2026 +92 days VulDB entry last update

Sourcesinfo

Vendor: apache.org

Advisory: lists.apache.org
Status: Confirmed

CVE: CVE-2026-29129 (🔒)
GCVE (CVE): GCVE-0-2026-29129
GCVE (VulDB): GCVE-100-356660
CERT Bund: WID-SEC-2026-1038 - Apache Tomcat und Tomcat Native: Mehrere Schwachstellen

Entryinfo

Created: 04/09/2026 22:01
Updated: 07/10/2026 07:04
Changes: 04/09/2026 22:01 (54), 04/11/2026 01:02 (2), 04/13/2026 09:31 (1), 05/04/2026 01:00 (7), 07/10/2026 07:04 (1)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

Discussion

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