Detections
Analytics
Linux Distros Unpatched Vulnerability : CVE-2026-4519
high Nessus Plugin ID 303242
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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.- The webbrowser.open() API would accept leading dashes in the URL which could be handled as command line options for certain web browsers. New behavior rejects leading dashes. Users are recommended to sanitize URLs prior to passing to webbrowser.open(). (CVE-2026-4519)
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-2026-4519
Plugin Details
Severity: High
ID: 303242
File Name: unpatched_CVE_2026_4519.nasl
Version: 1.7
Type: Local
Agent: unix
Family: Misc.
Published: 3/20/2026
Updated: 4/7/2026
Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Nessus
Risk Information
VPR
Risk Factor: High
Score: 7.0
CVSS v2
Risk Factor: Medium
Base Score: 4.9
Temporal Score: 4.2
Vector: CVSS2#AV:N/AC:M/Au:S/C:P/I:P/A:N
CVSS Score Source: CVE-2026-4519
CVSS v3
Risk Factor: High
Base Score: 7.1
Temporal Score: 6.5
Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:L
Temporal Vector: CVSS:3.0/E:U/RL:U/RC:C
CVSS v4
Risk Factor: High
Base Score: 7
Threat Score: 3.7
Threat Vector: CVSS:4.0/E:U
Vector: CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
Vulnerability Information
CPE: p-cpe:/a:redhat:enterprise_linux:python-test, cpe:/o:debian:debian_linux:11.0, p-cpe:/a:canonical:ubuntu_linux:python3.5, cpe:/o:canonical:ubuntu_linux:20.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:python3.13, p-cpe:/a:centos:centos:python-devel, cpe:/o:canonical:ubuntu_linux:24.04:-:lts, p-cpe:/a:centos:centos:python3-idle, p-cpe:/a:debian:debian_linux:pypy3, p-cpe:/a:debian:debian_linux:python2.7, p-cpe:/a:centos:centos:python, p-cpe:/a:centos:centos:python3.14, cpe:/o:redhat:enterprise_linux:6, p-cpe:/a:centos:centos:python-tools, p-cpe:/a:centos:centos:python3, p-cpe:/a:canonical:ubuntu_linux:python3.4, p-cpe:/a:centos:centos:python-libs, p-cpe:/a:canonical:ubuntu_linux:python3.10, p-cpe:/a:centos:centos:python-test, p-cpe:/a:centos:centos:python-debug, p-cpe:/a:redhat:enterprise_linux:python-tools, cpe:/o:debian:debian_linux:12.0, p-cpe:/a:canonical:ubuntu_linux:python3.14, p-cpe:/a:redhat:enterprise_linux:python, p-cpe:/a:canonical:ubuntu_linux:jython, p-cpe:/a:canonical:ubuntu_linux:python3.12, cpe:/o:canonical:ubuntu_linux:25.10, p-cpe:/a:debian:debian_linux:python3.9, p-cpe:/a:centos:centos:tkinter, cpe:/o:redhat:enterprise_linux:9, p-cpe:/a:redhat:enterprise_linux:python-libs, cpe:/o:canonical:ubuntu_linux:18.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:python3.6, p-cpe:/a:centos:centos:python3-tkinter, p-cpe:/a:canonical:ubuntu_linux:python3.9, p-cpe:/a:debian:debian_linux:python3.14, p-cpe:/a:redhat:enterprise_linux:python-devel, p-cpe:/a:centos:centos:python3-test, p-cpe:/a:redhat:enterprise_linux:tkinter, cpe:/o:redhat:enterprise_linux:10, cpe:/o:debian:debian_linux:13.0, cpe:/o:canonical:ubuntu_linux:14.04:-:lts, p-cpe:/a:redhat:enterprise_linux:python3, p-cpe:/a:canonical:ubuntu_linux:pypy3, p-cpe:/a:canonical:ubuntu_linux:python3.11, p-cpe:/a:redhat:enterprise_linux:python3-devel, p-cpe:/a:redhat:enterprise_linux:python3-libs, p-cpe:/a:redhat:enterprise_linux:python3.14, p-cpe:/a:debian:debian_linux:python3.11, p-cpe:/a:canonical:ubuntu_linux:python2.7, cpe:/o:centos:centos:7, p-cpe:/a:redhat:enterprise_linux:python-debug, p-cpe:/a:redhat:enterprise_linux:python3-test, cpe:/o:canonical:ubuntu_linux:16.04:-:lts, cpe:/o:redhat:enterprise_linux:7, p-cpe:/a:canonical:ubuntu_linux:python3.8, p-cpe:/a:redhat:enterprise_linux:python3-debug, p-cpe:/a:debian:debian_linux:python3.13, p-cpe:/a:debian:debian_linux:jython, p-cpe:/a:centos:centos:python3-debug, p-cpe:/a:redhat:enterprise_linux:python3-idle, p-cpe:/a:canonical:ubuntu_linux:python3.7, cpe:/o:canonical:ubuntu_linux:22.04:-:lts, cpe:/o:debian:debian_linux:14.0, p-cpe:/a:centos:centos:python3-devel, p-cpe:/a:redhat:enterprise_linux:python3-tkinter, p-cpe:/a:centos:centos:python3-libs
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: 3/20/2026
Reference Information
CVE: CVE-2026-4519