Detections
Analytics

Oracle Linux 10 : tomcat9 (ELSA-2026-36790)

high Nessus Plugin ID 328755

Synopsis

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

Description

The remote Oracle Linux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-36790 advisory.

 - Resolves: RHEL-150720 Tomcat: Certificate revocation bypass due to improper OCSP response validation (CVE-2026-24734)
 - Resolves:
 Tomcat: OCSP checks sometimes soft-fail with FFM even when soft-fail is disabled (CVE-2026-34500)
 - Resolves:
 Tomcat: Cloud membership for clustering component exposed the Kubernetes bearer token (CVE-2026-34487)
 - Resolves:
 Tomcat: The fix for CVE-2026-29146 allowed the bypass of the EncryptInterceptor (CVE-2026-34486)
 - Resolves:
 Tomcat: Incomplete escaping of JSON access logs (CVE-2026-34483)
 - Resolves:
 Tomcat: The fix for CVE-2025-66614 was incomplete (CVE-2026-32990)
 - Resolves:
 Tomcat: EncryptInterceptor vulnerable to padding oracle attack by default (CVE-2026-29146)
 - Resolves:
 Tomcat: OCSP checks sometimes soft-fail even when soft-fail is disabled (CVE-2026-29145)
 - Resolves:
 Tomcat: Configured TLS cipher preference order not preserved (CVE-2026-29129)
 - Resolves:
 Tomcat: Occasionally open redirect (CVE-2026-25854)
 - Resolves:
 Tomcat: Request smuggling via invalid chunk extension (CVE-2026-24880)
 - Resolves:
 Tomcat: Incomplete OCSP verification checks (CVE-2026-24734)
 - Resolves:
 Tomcat: Security constraint bypass (CVE-2026-24733)

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-2026-36790.html

Plugin Details

Severity: High

ID: 328755

File Name: oraclelinux_ELSA-2026-36790.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 7/21/2026

Updated: 7/21/2026

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: 5.7

Percentile: 96.44

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.1

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

CVSS Score Source: CVE-2026-34486

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.7

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

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

CVSS v4

Risk Factor: High

Base Score: 8.7

Threat Score: 7.7

Threat Vector: CVSS:4.0/E:P

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

CVSS Score Source: CVE-2026-29146

Vulnerability Information

CPE: cpe:/o:oracle:linux:10, p-cpe:/a:oracle:linux:tomcat9-admin-webapps, p-cpe:/a:oracle:linux:tomcat9-docs-webapp, p-cpe:/a:oracle:linux:tomcat9-el-3.0-api, p-cpe:/a:oracle:linux:tomcat9-jsp-2.3-api, p-cpe:/a:oracle:linux:tomcat9-lib, p-cpe:/a:oracle:linux:tomcat9-servlet-4.0-api, p-cpe:/a:oracle:linux:tomcat9-webapps, p-cpe:/a:oracle:linux:tomcat9

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: 7/16/2026

Vulnerability Publication Date: 3/23/2026

Reference Information

CVE: CVE-2026-29146, CVE-2026-34486

IAVA: 2026-A-0319-S