Detections
Analytics

Oracle Linux 8 : tomcat (ELSA-2026-92869)

critical Nessus Plugin ID 374143

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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-2026-92869 advisory.

 - Resolves: RHEL-255793 tomcat: Security constraint bypass due to improper access control (CVE-2026-65182)
 - Resolves:
 Local information disclosure via Unix domain socket TOCTOU race condition (CVE-2026-65183)
 - Resolves: RHEL-271822 tomcat: Improper Input Validation allows HTTP/2 no-authority bypass of strict SNI validation (CVE-2026-65637)
 - Resolves: RHEL-271900 tomcat: Limited replay attack possible with DIGEST authentication (CVE-2026-65905)
 - Resolves: RHEL-271775 tomcat: Access control bypass due to off-by-one error in RewriteValve [N] flag processing (CVE-2026-65927)
 - Resolves:
 DoS in WebSocket chat example (CVE-2026-66299)
 - Resolves:
 Servlet role references can bypass declarative role constraints (CVE-2026-66422)
 - Resolves: RHEL-271798 tomcat: Unauthorized resource access via FORM authentication bypass(CVE-2026-68525)
 - Resolves: RHEL-271749 tomcat: Principal lookup could fail open in some cases (CVE-2026-68569)
 - Resolves:
 Denial of Service via HTTP/2 allocation leak (CVE-2026-68763)

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-2026-92869.html

Plugin Details

Severity: Critical

ID: 374143

File Name: oraclelinux_ELSA-2026-92869.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 10/30/2026

Updated: 10/30/2026

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.9

Percentile: 96.32

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.4

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

CVSS Score Source: CVE-2026-65905

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

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:U/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 Ease: No known exploits are available

Patch Publication Date: 10/29/2026

Vulnerability Publication Date: 8/18/2026

Reference Information

CVE: CVE-2026-65182, CVE-2026-65637, CVE-2026-65905, CVE-2026-65927, CVE-2026-68525, CVE-2026-68569

IAVA: 2026-A-0902-S