Detections
Analytics

Linux Distros Unpatched Vulnerability : CVE-2026-18660

high Nessus Plugin ID 366390

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.

 - In Eclipse Jetty, across various versions of `jetty-server`, and `jetty-proxy`, the host whitelist/blacklist is case-sensitive, and would allow hosts through that only differ by case.
 (CVE-2026-18660)

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-2026-18660

https://security-tracker.debian.org/tracker/CVE-2026-18660

Plugin Details

Severity: High

ID: 366390

File Name: unpatched_CVE_2026_18660.nasl

Version: 1.1

Type: Local

Agent: unix

Family: Misc.

Published: 10/16/2026

Updated: 10/16/2026

Supported Sensors: Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.3

Percentile: 53.47

CVSS v2

Risk Factor: Medium

Base Score: 6.4

Temporal Score: 5.4

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

CVSS Score Source: CVE-2026-18660

CVSS v3

Risk Factor: Critical

Base Score: 9.1

Temporal Score: 8.3

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

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

CVSS v4

Risk Factor: High

Base Score: 8.8

Threat Score: 6.7

Threat Vector: CVSS:4.0/E:U

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

Vulnerability Information

CPE: cpe:/o:centos:centos:7, cpe:/o:centos:centos:8, cpe:/o:debian:debian_linux:12.0, cpe:/o:debian:debian_linux:13.0, cpe:/o:debian:debian_linux:14.0, cpe:/o:redhat:enterprise_linux:10, cpe:/o:redhat:enterprise_linux:7, cpe:/o:redhat:enterprise_linux:8, cpe:/o:redhat:enterprise_linux:9, p-cpe:/a:centos:centos:jackson-jaxrs-providers, p-cpe:/a:centos:centos:jmc, p-cpe:/a:centos:centos:jsoup-javadoc, p-cpe:/a:centos:centos:jsoup, p-cpe:/a:centos:centos:maven-resolver-javadoc, p-cpe:/a:centos:centos:maven-resolver, p-cpe:/a:centos:centos:maven-site-plugin-javadoc, p-cpe:/a:centos:centos:maven-site-plugin, p-cpe:/a:centos:centos:pki-jackson-jaxrs-json-provider, p-cpe:/a:centos:centos:pki-jackson-jaxrs-providers, p-cpe:/a:centos:centos:pki-resteasy-client, p-cpe:/a:centos:centos:pki-resteasy-core, p-cpe:/a:centos:centos:pki-resteasy-jackson2-provider, p-cpe:/a:centos:centos:pki-resteasy-servlet-initializer, p-cpe:/a:centos:centos:resteasy-javadoc, p-cpe:/a:centos:centos:resteasy, p-cpe:/a:debian:debian_linux:jetty12, p-cpe:/a:debian:debian_linux:jetty9, p-cpe:/a:redhat:enterprise_linux:jackson-jaxrs-providers, p-cpe:/a:redhat:enterprise_linux:jmc, p-cpe:/a:redhat:enterprise_linux:jsoup-javadoc, p-cpe:/a:redhat:enterprise_linux:jsoup, p-cpe:/a:redhat:enterprise_linux:maven-resolver-javadoc, p-cpe:/a:redhat:enterprise_linux:maven-resolver, p-cpe:/a:redhat:enterprise_linux:maven-site-plugin-javadoc, p-cpe:/a:redhat:enterprise_linux:maven-site-plugin, p-cpe:/a:redhat:enterprise_linux:pki-jackson-jaxrs-json-provider, p-cpe:/a:redhat:enterprise_linux:pki-jackson-jaxrs-providers, p-cpe:/a:redhat:enterprise_linux:pki-resteasy-client, p-cpe:/a:redhat:enterprise_linux:pki-resteasy-core, p-cpe:/a:redhat:enterprise_linux:pki-resteasy-jackson2-provider, p-cpe:/a:redhat:enterprise_linux:pki-resteasy-servlet-initializer, p-cpe:/a:redhat:enterprise_linux:resteasy-javadoc, p-cpe:/a:redhat:enterprise_linux:resteasy

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

Exploit Ease: No known exploits are available

Vulnerability Publication Date: 10/15/2026

Reference Information

CVE: CVE-2026-18660