Detections
Analytics

AlmaLinux 9 : tomcat (ALSA-2026:36879)

high Nessus Plugin ID 326053

Synopsis

The remote AlmaLinux host is missing one or more security updates.

Description

The remote AlmaLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:36879 advisory.

 * Apache Tomcat: Apache Tomcat: Information disclosure via Padding Oracle vulnerability in EncryptInterceptor (CVE-2026-29146)
 * Apache Tomcat: Apache Tomcat: Missing Encryption of Sensitive Data due to EncryptInterceptor bypass (CVE-2026-34486)


 Bug Fix(es) and Enhancement(s):

 * Remove tomcat clustering JAR from RPM builds (JIRA:AlmaLinux-183992)

Tenable has extracted the preceding description block directly from the AlmaLinux security advisory.

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

Solution

Update the affected packages.

See Also

https://access.redhat.com/errata/RHSA-2026:36879

https://errata.almalinux.org/9/ALSA-2026-36879.html

Plugin Details

Severity: High

ID: 326053

File Name: alma_linux_ALSA-2026-36879.nasl

Version: 1.1

Type: Local

Published: 7/9/2026

Updated: 7/9/2026

Supported Sensors: Continuous Assessment, Nessus Agent, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.8

Percentile: 96.61

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.1

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: 6.7

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:P/RL:O/RC:C

CVSS v4

Risk Factor: High

Base Score: 8.7

Threat Score: 7.7

Threat Vector: CVSS:4.0/E:P

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

CVSS Score Source: CVE-2026-29146

Vulnerability Information

CPE: p-cpe:/a:alma:linux:tomcat-lib, p-cpe:/a:alma:linux:tomcat-admin-webapps, cpe:/o:alma:linux:9::appstream, p-cpe:/a:alma:linux:tomcat-docs-webapp, p-cpe:/a:alma:linux:tomcat-jsp-2.3-api, p-cpe:/a:alma:linux:tomcat-servlet-4.0-api, cpe:/o:alma:linux:9::supplementary, cpe:/o:alma:linux:9::highavailability, cpe:/o:alma:linux:9::resilientstorage, cpe:/o:alma:linux:9::sap_hana, cpe:/o:alma:linux:9::sap, cpe:/o:alma:linux:9::crb, p-cpe:/a:alma:linux:tomcat, cpe:/o:alma:linux:9::realtime, cpe:/o:alma:linux:9, p-cpe:/a:alma:linux:tomcat-webapps, cpe:/o:alma:linux:9::nfv, cpe:/o:alma:linux:9::baseos, p-cpe:/a:alma:linux:tomcat-el-3.0-api

Required KB Items: Host/local_checks_enabled, Host/AlmaLinux/release, Host/AlmaLinux/rpm-list, Host/cpu

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 7/8/2026

Vulnerability Publication Date: 3/23/2026

Reference Information

CVE: CVE-2026-29146, CVE-2026-34486

CWE: 1240, 807

RHSA: 2026:36879