Detections
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Apache Tomcat 9.0.116 < 9.0.117 Missing Encryption of Sensitive Data Vulnerability (CVE-2026-34486)

high Nessus Plugin ID 334515

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Synopsis

The remote Apache Tomcat server is affected by a missing encryption of sensitive data vulnerability

Description

The version of Tomcat installed on the remote host is 9.0.116 prior to 9.0.117. It is, therefore, affected by a vulnerability as referenced in the fixed_in_apache_tomcat_9.0.117_security-9 advisory.

 - Missing Encryption of Sensitive Data vulnerability in Apache Tomcat due to the fix for CVE-2026-29146 allowing the bypass of the EncryptInterceptor. This issue affects Apache Tomcat: 11.0.20, 10.1.53, 9.0.116. Users are recommended to upgrade to version 11.0.21, 10.1.54 or 9.0.117, which fix the issue.
 (CVE-2026-34486)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Upgrade to Apache Tomcat version 9.0.117 or later.

See Also

http://www.nessus.org/u?66d56d5e

http://www.nessus.org/u?6dbc2b20

Plugin Details

Severity: High

ID: 334515

File Name: tomcat_9_0_117_cve-2026-34486.nasl

Version: 1.2

Type: Combined

Agent: windows, macosx, unix

Family: Web Servers

Published: 8/11/2026

Updated: 8/21/2026

Supported Sensors: Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: High

Score: 7.3

Percentile: 98.35

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.4

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:N/A:N

CVSS Score Source: CVE-2026-34486

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 7

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Temporal Vector: CVSS:3.0/E:F/RL:O/RC:C

Vulnerability Information

CPE: cpe:/a:apache:tomcat:9

Required KB Items: installed_sw/Apache Tomcat

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 4/3/2026

Vulnerability Publication Date: 4/4/2026

CISA Known Exploited Vulnerability Due Dates: 8/7/2026

Reference Information

CVE: CVE-2026-34486