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Linux Distros Unpatched Vulnerability : CVE-2026-25854

medium Nessus Plugin ID 305907

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.

 - Occasional URL redirection to untrusted Site ('Open Redirect') vulnerability in Apache Tomcat via the LoadBalancerDrainingValve. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.18, from 10.1.0-M1 through 10.1.52, from 9.0.0.M23 through 9.0.115, from 8.5.30 through 8.5.100. Other, unsupported versions may also be affected Users are recommended to upgrade to version 11.0.20, 10.1.53 or 9.0.116, which fix the issue. (CVE-2026-25854)

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-2026-25854

Plugin Details

Severity: Medium

ID: 305907

File Name: unpatched_CVE_2026_25854.nasl

Version: 1.1

Type: Local

Agent: unix

Family: Misc.

Published: 4/10/2026

Updated: 4/10/2026

Supported Sensors: Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.8

CVSS v2

Risk Factor: Medium

Base Score: 5.8

Temporal Score: 4.9

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

CVSS Score Source: CVE-2026-25854

CVSS v3

Risk Factor: Medium

Base Score: 6.1

Temporal Score: 5.6

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

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

Vulnerability Information

CPE: p-cpe:/a:centos:centos:tomcat-servlet-6.0-api, p-cpe:/a:centos:centos:pki-servlet-engine, p-cpe:/a:redhat:enterprise_linux:tomcat, p-cpe:/a:redhat:enterprise_linux:tomcat-el-3.0-api, p-cpe:/a:centos:centos:tomcat-jsp-2.2-api, p-cpe:/a:centos:centos:tomcat-jsp-2.3-api, p-cpe:/a:redhat:enterprise_linux:tomcat9-docs-webapp, p-cpe:/a:centos:centos:tomcat9-webapps, p-cpe:/a:centos:centos:tomcat-el-2.2-api, p-cpe:/a:centos:centos:tomcat9-docs-webapp, p-cpe:/a:centos:centos:tomcat-servlet-4.0-api, p-cpe:/a:redhat:enterprise_linux:tomcat-jsp-3.1-api, p-cpe:/a:redhat:enterprise_linux:tomcat-jsp-2.3-api, p-cpe:/a:redhat:enterprise_linux:tomcat-servlet-3.0-api, p-cpe:/a:redhat:enterprise_linux:tomcat9, p-cpe:/a:redhat:enterprise_linux:tomcat-lib, p-cpe:/a:centos:centos:tomcat9-admin-webapps, p-cpe:/a:redhat:enterprise_linux:tomcat9-webapps, cpe:/o:redhat:enterprise_linux:9, p-cpe:/a:centos:centos:tomcat-docs-webapp, p-cpe:/a:centos:centos:tomcat-jsvc, p-cpe:/a:centos:centos:tomcat-javadoc, cpe:/o:centos:centos:8, p-cpe:/a:redhat:enterprise_linux:tomcat9-admin-webapps, p-cpe:/a:centos:centos:tomcat-lib, p-cpe:/a:redhat:enterprise_linux:tomcat-jsvc, p-cpe:/a:centos:centos:tomcat9-jsp-2.3-api, p-cpe:/a:centos:centos:tomcat-el-3.0-api, p-cpe:/a:redhat:enterprise_linux:tomcat-docs-webapp, cpe:/o:redhat:enterprise_linux:10, cpe:/o:redhat:enterprise_linux:8, p-cpe:/a:redhat:enterprise_linux:tomcat-el-2.2-api, p-cpe:/a:redhat:enterprise_linux:tomcat9-jsp-2.3-api, p-cpe:/a:centos:centos:tomcat-admin-webapps, p-cpe:/a:centos:centos:tomcat-servlet-3.0-api, p-cpe:/a:redhat:enterprise_linux:tomcat-admin-webapps, p-cpe:/a:redhat:enterprise_linux:tomcat-javadoc, p-cpe:/a:centos:centos:tomcat9, p-cpe:/a:redhat:enterprise_linux:tomcat-servlet-6.0-api, p-cpe:/a:centos:centos:tomcat-jsp-3.1-api, p-cpe:/a:centos:centos:pki-servlet-4.0-api, p-cpe:/a:redhat:enterprise_linux:tomcat-servlet-4.0-api, p-cpe:/a:centos:centos:tomcat-el-5.0-api, cpe:/o:centos:centos:7, p-cpe:/a:centos:centos:tomcat, p-cpe:/a:centos:centos:tomcat9-servlet-4.0-api, p-cpe:/a:centos:centos:tomcat9-lib, cpe:/o:redhat:enterprise_linux:7, p-cpe:/a:redhat:enterprise_linux:pki-servlet-4.0-api, p-cpe:/a:redhat:enterprise_linux:tomcat9-lib, p-cpe:/a:redhat:enterprise_linux:tomcat9-servlet-4.0-api, p-cpe:/a:centos:centos:tomcat9-el-3.0-api, p-cpe:/a:redhat:enterprise_linux:pki-servlet-engine, p-cpe:/a:redhat:enterprise_linux:tomcat-webapps, p-cpe:/a:centos:centos:tomcat-webapps, p-cpe:/a:redhat:enterprise_linux:tomcat9-el-3.0-api, p-cpe:/a:redhat:enterprise_linux:tomcat-jsp-2.2-api, p-cpe:/a:redhat:enterprise_linux:tomcat-el-5.0-api

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: 3/20/2026

Reference Information

CVE: CVE-2026-25854