RHEL 10 / 8 / 9 : Red Hat JBoss Web Server 7.0.1 (RHSA-2026:49951)

critical Nessus Plugin ID 332764

Synopsis

The remote Red Hat host is missing one or more security updates for Red Hat JBoss Web Server 7.0.1.

Description

The remote Redhat Enterprise Linux 10 / 8 / 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:49951 advisory.

Red Hat JBoss Web Server is a fully integrated and certified set of components for hosting Java web applications. It is comprised of the Apache Tomcat Servlet container, JBoss HTTP Connector (mod_cluster), the PicketLink Vault extension for Apache Tomcat, and the Tomcat Native library.

This release of Red Hat JBoss Web Server 7.0.1 serves as a replacement for Red Hat JBoss Web Server 7.0.0.
This release includes bug fixes, enhancements and component upgrades, which are documented in the Release Notes that are linked to in the References section.

Security Fix(es):

* tomcat-catalina: Apache Tomcat: Misleading security logs due to incorrect control flow (CVE-2026-55276)
* tomcat-coyote-ffm: Apache Tomcat: Error condition not handled when configuring CRLs (CVE-2026-53434)
* tomcat-catalina: Apache Tomcat: Incorrect control flow in rewrite valve allows unexpected rule processing (CVE-2026-53404)
* tomcat: Apache Tomcat: Incorrect URL decoding in RewriteValve may allow security control bypass (CVE-2026-59083)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux 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 RHEL Red Hat JBoss Web Server 7.0.1 package based on the guidance in RHSA-2026:49951.

Plugin Details

Severity: Critical

ID: 332764

File Name: redhat-RHSA-2026-49951.nasl

Version: 1.1

Type: Local

Agent: unix

Family: Red Hat Local Security Checks

Published: 8/5/2026

Updated: 8/5/2026

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.3

Percentile: 53.67

Vendor

Vendor Severity: Moderate

CVSS v2

Risk Factor: High

Base Score: 9.4

Temporal Score: 7

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

CVSS Score Source: CVE-2026-59083

CVSS v3

Risk Factor: Critical

Base Score: 9.1

Temporal Score: 7.9

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

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

Vulnerability Information

CPE: cpe:/o:redhat:enterprise_linux:10, cpe:/o:redhat:enterprise_linux:8, cpe:/o:redhat:enterprise_linux:9, p-cpe:/a:redhat:enterprise_linux:jws7-tomcat-admin-webapps, p-cpe:/a:redhat:enterprise_linux:jws7-tomcat-docs-webapp, p-cpe:/a:redhat:enterprise_linux:jws7-tomcat-el-5.0-api, p-cpe:/a:redhat:enterprise_linux:jws7-tomcat-javadoc, p-cpe:/a:redhat:enterprise_linux:jws7-tomcat-jsp-3.1-api, p-cpe:/a:redhat:enterprise_linux:jws7-tomcat-lib, p-cpe:/a:redhat:enterprise_linux:jws7-tomcat-selinux, p-cpe:/a:redhat:enterprise_linux:jws7-tomcat-servlet-6.0-api, p-cpe:/a:redhat:enterprise_linux:jws7-tomcat-webapps, p-cpe:/a:redhat:enterprise_linux:jws7-tomcat

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

Exploit Ease: No known exploits are available

Patch Publication Date: 8/5/2026

Vulnerability Publication Date: 6/23/2026

Reference Information

CVE: CVE-2026-53404, CVE-2026-53434, CVE-2026-55276, CVE-2026-59083

CWE: 358, 390, 778, 807

RHSA: 2026:49951

Detections

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