The remote Redhat Enterprise Linux 10 / 8 / 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:39188 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 7.0.0 serves as a replacement for Red Hat JBoss Web Server 6.2.3.
    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: Apache Tomcat: Missing Encryption of Sensitive Data due to EncryptInterceptor bypass     (CVE-2026-34486)
    * tomcat: Apache Tomcat: Information disclosure via Padding Oracle vulnerability in EncryptInterceptor     (CVE-2026-29146)
    * tomcat-coyote: tomcat: Improper Authorization allows security bypass (CVE-2026-43515)
    * tomcat-catalina: Apache Tomcat: Denial of Service due to uncontrolled resource allocation     (CVE-2026-41284)
    * tomcat-coyote: Apache Tomcat: HTTP/2 request headers not validated (CVE-2026-41293)
    * tomcat-coyote: Apache Tomcat: Information disclosure due to HTTP Authentication Header exposure during     WebSocket authentication (CVE-2026-42498)
    * tomcat-coyote: Apache Tomcat: Authentication bypass via digest authentication (CVE-2026-43512)
    * tomcat-catalina: Apache Tomcat: Improper Handling of Case Sensitivity in LockOutRealm (CVE-2026-43513)
    * tomcat-coyote: Apache Tomcat: Information disclosure via AJP secret timing discrepancy (CVE-2026-43514)
    * tomcat-catalina: Apache Tomcat: Improper Authorization Allows Security Constraint Bypass     (CVE-2026-55956)

    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.

Detections

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RHEL 10 / 8 / 9 : Red Hat JBoss Web Server 7.0.0 security (Important) (RHSA-2026:39188)

high Nessus Plugin ID 327653

Version 1.2