Detections
Analytics

Oracle Linux 9 : tomcat (ELSA-2026-68660)

medium Nessus Plugin ID 348159

Synopsis

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

Description

The remote Oracle Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-68660 advisory.

 - Resolves: RHEL-192825 HTTP/2 request headers not validated (CVE-2026-41293)
 - Resolves: RHEL-192659 Improper Input Validation vulnerability due to incomplete fix (CVE-2026-32990)
 - Resolves: RHEL-219565 Security constraint bypass via improper URL encoding in rewrite valve (CVE-2026-59083)
 - Resolves: RHEL-219573 Insufficient documentation for EncryptInterceptor may lead to insecure configurations (CVE-2026-59084)
 - Resolves: RHEL-238189 tomcat: Information disclosure due to HTTP Authentication Header exposure during WebSocket authentication (CVE-2026-42498)
 - Resolves: RHEL-238247 tomcat: Improper Handling of Case Sensitivity in LockOutRealm (CVE-2026-43513)
 - Resolves: RHEL-238277 tomcat: Improper Authorization allows security bypass (CVE-2026-43515)
 - Resolves: RHEL-238302 tomcat: Authentication bypass via digest authentication (CVE-2026-43512)
 - Resolves: RHEL-124516 tomcat: Directory traversal via rewrite with possible RCE (CVE-2025-55752)
 - Resolves: RHEL-132561 tomcat: Bypass of rules in Rewrite Valve (CVE-2025-31651)
 - Resolves: RHEL-102201 tomcat: http/2 'MadeYouReset' DoS attack through HTTP/2 control frames (CVE-2025-48989)
 - Resolves: RHEL-108489 tomcat: Apache Commons FileUpload DOS via part headers (CVE-2025-48976)
 - Resolves: RHEL-108497 tomcat: Dos in multipart upload (CVE-2025-48988)
 - Resolves: RHEL-108505 tomcat: Security constraint bypass for pre/post-resources (CVE-2025-49125)
 - Resolves: RHEL-108513 tomcat: Denial of service (CVE-2025-52434)
 - Resolves: RHEL-108529 tomcat: Denial of service (CVE-2025-52520)
 - Resolves: RHEL-108523 tomcat: Denial of service (CVE-2025-53506)
 - Resolves: RHEL-91763 tomcat: DoS via malformed HTTP/2 PRIORITY_UPDATE frame (CVE-2025-31650)
 - Resolves: RHEL-71985 tomcat: Incomplete fix for CVE-2024-50379 - RCE due to TOCTOU issue in JSP compilation (CVE-2024-56337)
 - Resolves: RHEL-82945 tomcat: Potential RCE and/or information disclosure and/or information corruption with partial PUT (CVE-2025-24813)
 - Resolves: RHEL-71723 tomcat: RCE due to TOCTOU issue in JSP compilation (CVE-2024-50379)
 - Resolves: RHEL-46163 tomcat: Improper Handling of Exceptional Conditions (CVE-2024-34750)

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-2026-68660.html

Plugin Details

Severity: Medium

ID: 348159

File Name: oraclelinux_ELSA-2026-68660.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

CVSS v4

Risk Factor: Medium

Base Score: 6.9

Threat Score: 5.5

Threat Vector: CVSS:4.0/E:P

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

CVSS Score Source: CVE-2026-32990

Vulnerability Information

CPE: cpe:/o:oracle:linux:9, 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: 3/20/2026

Reference Information

CVE: CVE-2026-32990, CVE-2026-41293, CVE-2026-42498, CVE-2026-43512, CVE-2026-43513, CVE-2026-43515, CVE-2026-59083, CVE-2026-59084

IAVA: 2026-A-0319-S, 2026-A-0475, 2026-A-0709-S