Detections
Analytics
Linux Distros Unpatched Vulnerability : CVE-2026-50229
medium Nessus Plugin ID 323925
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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.- Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) vulnerability in the number guess example for Apache Tomcat. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.22, from 10.1.0-M1 through 10.1.55, from 9.0.0.M1 through 9.0.118, from 8.5.0 through 8.5.100, from 7.0.0 through 7.0.109. Other versions that have reached end of support may also be affected. Users are recommended to upgrade to version 11.0.23, 10.1.56 or 9.0.119, which fix the issue. (CVE-2026-50229)
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-2026-50229
Plugin Details
Severity: Medium
ID: 323925
File Name: unpatched_CVE_2026_50229.nasl
Version: 1.5
Type: Local
Agent: unix
Family: Misc.
Published: 6/30/2026
Updated: 7/16/2026
Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 4.3
Percentile: 53.67
CVSS v2
Risk Factor: Medium
Base Score: 4.3
Temporal Score: 3.9
Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:P/A:N
CVSS Score Source: CVE-2026-50229
CVSS v3
Risk Factor: Medium
Base Score: 6.1
Temporal Score: 5.8
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:P/RL:U/RC:C
Vulnerability Information
CPE: cpe:/o:canonical:ubuntu_linux:14.04:-:lts, cpe:/o:canonical:ubuntu_linux:16.04:-:lts, cpe:/o:canonical:ubuntu_linux:18.04:-:lts, cpe:/o:canonical:ubuntu_linux:20.04:-:lts, cpe:/o:canonical:ubuntu_linux:22.04:-:lts, cpe:/o:canonical:ubuntu_linux:24.04:-:lts, cpe:/o:canonical:ubuntu_linux:25.10, cpe:/o:canonical:ubuntu_linux:26.04:-:lts, 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:6, cpe:/o:redhat:enterprise_linux:7, cpe:/o:redhat:enterprise_linux:8, cpe:/o:redhat:enterprise_linux:9, p-cpe:/a:canonical:ubuntu_linux:tomcat10, p-cpe:/a:canonical:ubuntu_linux:tomcat11, p-cpe:/a:canonical:ubuntu_linux:tomcat6, p-cpe:/a:canonical:ubuntu_linux:tomcat7, p-cpe:/a:canonical:ubuntu_linux:tomcat9, p-cpe:/a:centos:centos:pki-servlet-4.0-api, p-cpe:/a:centos:centos:pki-servlet-engine, p-cpe:/a:centos:centos:tomcat-admin-webapps, p-cpe:/a:centos:centos:tomcat-docs-webapp, p-cpe:/a:centos:centos:tomcat-el-2.2-api, p-cpe:/a:centos:centos:tomcat-el-3.0-api, p-cpe:/a:centos:centos:tomcat-el-5.0-api, p-cpe:/a:centos:centos:tomcat-javadoc, p-cpe:/a:centos:centos:tomcat-jsp-2.2-api, p-cpe:/a:centos:centos:tomcat-jsp-2.3-api, p-cpe:/a:centos:centos:tomcat-jsp-3.1-api, p-cpe:/a:centos:centos:tomcat-jsvc, p-cpe:/a:centos:centos:tomcat-lib, p-cpe:/a:centos:centos:tomcat-servlet-3.0-api, p-cpe:/a:centos:centos:tomcat-servlet-4.0-api, p-cpe:/a:centos:centos:tomcat-servlet-6.0-api, p-cpe:/a:centos:centos:tomcat-webapps, p-cpe:/a:centos:centos:tomcat6-admin-webapps, p-cpe:/a:centos:centos:tomcat6-docs-webapp, p-cpe:/a:centos:centos:tomcat6-el-2.1-api, p-cpe:/a:centos:centos:tomcat6-javadoc, p-cpe:/a:centos:centos:tomcat6-jsp-2.1-api, p-cpe:/a:centos:centos:tomcat6-lib, p-cpe:/a:centos:centos:tomcat6-log4j, p-cpe:/a:centos:centos:tomcat6-servlet-2.5-api, p-cpe:/a:centos:centos:tomcat6-webapps, p-cpe:/a:centos:centos:tomcat6, p-cpe:/a:centos:centos:tomcat9-admin-webapps, p-cpe:/a:centos:centos:tomcat9-docs-webapp, p-cpe:/a:centos:centos:tomcat9-el-3.0-api, p-cpe:/a:centos:centos:tomcat9-jsp-2.3-api, p-cpe:/a:centos:centos:tomcat9-lib, p-cpe:/a:centos:centos:tomcat9-servlet-4.0-api, p-cpe:/a:centos:centos:tomcat9-webapps, p-cpe:/a:centos:centos:tomcat9, p-cpe:/a:centos:centos:tomcat, p-cpe:/a:debian:debian_linux:tomcat10, p-cpe:/a:debian:debian_linux:tomcat11, p-cpe:/a:redhat:enterprise_linux:pki-servlet-4.0-api, p-cpe:/a:redhat:enterprise_linux:pki-servlet-engine, p-cpe:/a:redhat:enterprise_linux:tomcat-admin-webapps, p-cpe:/a:redhat:enterprise_linux:tomcat-docs-webapp, p-cpe:/a:redhat:enterprise_linux:tomcat-el-2.2-api, p-cpe:/a:redhat:enterprise_linux:tomcat-el-3.0-api, p-cpe:/a:redhat:enterprise_linux:tomcat-el-5.0-api, p-cpe:/a:redhat:enterprise_linux:tomcat-javadoc, p-cpe:/a:redhat:enterprise_linux:tomcat-jsp-2.2-api, p-cpe:/a:redhat:enterprise_linux:tomcat-jsp-2.3-api, p-cpe:/a:redhat:enterprise_linux:tomcat-jsp-3.1-api, p-cpe:/a:redhat:enterprise_linux:tomcat-jsvc, p-cpe:/a:redhat:enterprise_linux:tomcat-lib, p-cpe:/a:redhat:enterprise_linux:tomcat-servlet-3.0-api, p-cpe:/a:redhat:enterprise_linux:tomcat-servlet-4.0-api, p-cpe:/a:redhat:enterprise_linux:tomcat-servlet-6.0-api, p-cpe:/a:redhat:enterprise_linux:tomcat-webapps, p-cpe:/a:redhat:enterprise_linux:tomcat6-admin-webapps, p-cpe:/a:redhat:enterprise_linux:tomcat6-docs-webapp, p-cpe:/a:redhat:enterprise_linux:tomcat6-el-2.1-api, p-cpe:/a:redhat:enterprise_linux:tomcat6-javadoc, p-cpe:/a:redhat:enterprise_linux:tomcat6-jsp-2.1-api, p-cpe:/a:redhat:enterprise_linux:tomcat6-lib, p-cpe:/a:redhat:enterprise_linux:tomcat6-log4j, p-cpe:/a:redhat:enterprise_linux:tomcat6-servlet-2.5-api, p-cpe:/a:redhat:enterprise_linux:tomcat6-webapps, p-cpe:/a:redhat:enterprise_linux:tomcat6, p-cpe:/a:redhat:enterprise_linux:tomcat9-admin-webapps, p-cpe:/a:redhat:enterprise_linux:tomcat9-docs-webapp, p-cpe:/a:redhat:enterprise_linux:tomcat9-el-3.0-api, p-cpe:/a:redhat:enterprise_linux:tomcat9-jsp-2.3-api, p-cpe:/a:redhat:enterprise_linux:tomcat9-lib, p-cpe:/a:redhat:enterprise_linux:tomcat9-servlet-4.0-api, p-cpe:/a:redhat:enterprise_linux:tomcat9-webapps, p-cpe:/a:redhat:enterprise_linux:tomcat9, p-cpe:/a:redhat:enterprise_linux:tomcat
Required KB Items: Host/local_checks_enabled, Host/cpu, global_settings/vendor_unpatched, Host/OS/identifier
Exploit Available: true
Exploit Ease: Exploits are available
Vulnerability Publication Date: 6/22/2026
Reference Information
CVE: CVE-2026-50229