Detections
Analytics

Linux Distros Unpatched Vulnerability : CVE-2026-8400

high Nessus Plugin ID 333362

Synopsis

The Linux/Unix host has one or more packages installed with a vulnerability that the vendor indicates will not be patched.

Description

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

 - IBM WebSphere Application Server 8.5, and 9.0 and IBM WebSphere Application Server - Liberty Continuous delivery has a flaw in the ORB component in IBM SDK, Java Technology Edition, may allow a malicious IIOP server to induce loading and instantation of arbitrary classes. (CVE-2026-8400)

Note that Nessus relies on the presence of the package as reported by the vendor.

Solution

There is no known solution at this time.

See Also

https://access.redhat.com/security/cve/cve-2026-8400

Plugin Details

Severity: High

ID: 333362

File Name: unpatched_CVE_2026_8400.nasl

Version: 1.1

Type: Local

Agent: unix

Family: Misc.

Published: 8/7/2026

Updated: 8/7/2026

Supported Sensors: Agentless Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 58.16

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.4

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

CVSS Score Source: CVE-2026-8400

CVSS v3

Risk Factor: High

Base Score: 8.1

Temporal Score: 7.4

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

Temporal Vector: CVSS:3.0/E:U/RL:U/RC:C

Vulnerability Information

CPE: cpe:/o:centos:centos:8, cpe:/o:redhat:enterprise_linux:8, p-cpe:/a:centos:centos:java-1.8.0-ibm-demo, p-cpe:/a:centos:centos:java-1.8.0-ibm-devel, p-cpe:/a:centos:centos:java-1.8.0-ibm-headless, p-cpe:/a:centos:centos:java-1.8.0-ibm-jdbc, p-cpe:/a:centos:centos:java-1.8.0-ibm-plugin, p-cpe:/a:centos:centos:java-1.8.0-ibm-src, p-cpe:/a:centos:centos:java-1.8.0-ibm-webstart, p-cpe:/a:centos:centos:java-1.8.0-ibm, p-cpe:/a:redhat:enterprise_linux:java-1.8.0-ibm-demo, p-cpe:/a:redhat:enterprise_linux:java-1.8.0-ibm-devel, p-cpe:/a:redhat:enterprise_linux:java-1.8.0-ibm-headless, p-cpe:/a:redhat:enterprise_linux:java-1.8.0-ibm-jdbc, p-cpe:/a:redhat:enterprise_linux:java-1.8.0-ibm-plugin, p-cpe:/a:redhat:enterprise_linux:java-1.8.0-ibm-src, p-cpe:/a:redhat:enterprise_linux:java-1.8.0-ibm-webstart, p-cpe:/a:redhat:enterprise_linux:java-1.8.0-ibm

Required KB Items: Host/cpu, Host/local_checks_enabled, global_settings/vendor_unpatched, Host/OS/identifier

Exploit Ease: No known exploits are available

Vulnerability Publication Date: 8/4/2026

Reference Information

CVE: CVE-2026-8400