Detections
Analytics

Oracle Linux 8 : tomcat (ELSA-2026-68677)

critical Nessus Plugin ID 348245

Synopsis

The remote Oracle Linux host is missing one or more security updates.

Description

The remote Oracle Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-68677 advisory.

 - Resolves: RHEL-192806 HTTP/2 request headers not validated (CVE-2026-41293)
 - Resolves: RHEL-219561 Security constraint bypass via improper URL encoding in rewrite valve (CVE-2026-59083)
 - Resolves: RHEL-219581 Insufficient documentation for EncryptInterceptor may lead to insecure configurations (CVE-2026-59084)
 - Resolves: RHEL-238206 tomcat: Information disclosure due to HTTP Authentication Header exposure during WebSocket authentication (CVE-2026-42498)
 - Resolves: RHEL-238213 tomcat: Improper Handling of Case Sensitivity in LockOutRealm (CVE-2026-43513)
 - Resolves: RHEL-238260 tomcat: Improper Authorization allows security bypass (CVE-2026-43515)
 - Resolves: RHEL-238294 tomcat: Authentication bypass via digest authentication (CVE-2026-43512)

Tenable has extracted the preceding description block directly from the Oracle 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 affected packages.

See Also

https://linux.oracle.com/errata/ELSA-2026-68677.html

Plugin Details

Severity: Critical

ID: 348245

File Name: oraclelinux_ELSA-2026-68677.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 9/18/2026

Updated: 9/18/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 58.12

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.8

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

CVSS Score Source: CVE-2026-43512

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.8

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

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

Vulnerability Information

CPE: cpe:/o:oracle:linux:8, p-cpe:/a:oracle:linux:tomcat-admin-webapps, p-cpe:/a:oracle:linux:tomcat-docs-webapp, p-cpe:/a:oracle:linux:tomcat-el-3.0-api, p-cpe:/a:oracle:linux:tomcat-jsp-2.3-api, p-cpe:/a:oracle:linux:tomcat-lib, p-cpe:/a:oracle:linux:tomcat-servlet-4.0-api, p-cpe:/a:oracle:linux:tomcat-webapps, p-cpe:/a:oracle:linux:tomcat

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 9/17/2026

Vulnerability Publication Date: 3/6/2025

Reference Information

CVE: CVE-2026-41293, CVE-2026-42498, CVE-2026-43512, CVE-2026-43513, CVE-2026-43515, CVE-2026-55957, CVE-2026-59083, CVE-2026-59084

IAVA: 2026-A-0475, 2026-A-0642-S, 2026-A-0709-S