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Linux Distros Unpatched Vulnerability : CVE-2026-20676

medium Nessus Plugin ID 303052

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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.

 - This issue was addressed through improved state management. This issue is fixed in iOS 26.3 and iPadOS 26.3, Safari 26.3, macOS Tahoe 26.3, visionOS 26.3. A website may be able to track users through Safari web extensions. (CVE-2026-20676)

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-2026-20676

https://security-tracker.debian.org/tracker/CVE-2026-20676

Plugin Details

Severity: Medium

ID: 303052

File Name: unpatched_CVE_2026_20676.nasl

Version: 1.3

Type: local

Agent: unix

Family: Misc.

Published: 3/19/2026

Updated: 3/21/2026

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 2.2

CVSS v2

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.7

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

CVSS Score Source: CVE-2026-20676

CVSS v3

Risk Factor: Medium

Base Score: 5.3

Temporal Score: 4.9

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

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

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:webkitgtk4-doc, p-cpe:/a:centos:centos:webkitgtk4, cpe:/o:debian:debian_linux:11.0, p-cpe:/a:centos:centos:webkitgtk3-devel, p-cpe:/a:debian:debian_linux:wpewebkit, p-cpe:/a:redhat:enterprise_linux:webkitgtk4-jsc-devel, p-cpe:/a:redhat:enterprise_linux:webkit2gtk3, p-cpe:/a:centos:centos:webkit2gtk3-jsc, cpe:/o:centos:centos:7, p-cpe:/a:redhat:enterprise_linux:webkit2gtk3-devel, p-cpe:/a:centos:centos:webkitgtk4-doc, p-cpe:/a:redhat:enterprise_linux:webkit2gtk3-plugin-process-gtk2, p-cpe:/a:redhat:enterprise_linux:webkitgtk3, cpe:/o:centos:centos:8, p-cpe:/a:centos:centos:webkitgtk4-jsc-devel, p-cpe:/a:centos:centos:libwebkit2gtk, p-cpe:/a:redhat:enterprise_linux:webkit2gtk3-jsc-devel, p-cpe:/a:centos:centos:webkit2gtk3, p-cpe:/a:redhat:enterprise_linux:webkitgtk3-doc, p-cpe:/a:redhat:enterprise_linux:libwebkit2gtk, p-cpe:/a:redhat:enterprise_linux:webkitgtk4-plugin-process-gtk2, cpe:/o:redhat:enterprise_linux:7, p-cpe:/a:centos:centos:webkit2gtk3-plugin-process-gtk2, p-cpe:/a:centos:centos:webkitgtk3-doc, cpe:/o:redhat:enterprise_linux:8, p-cpe:/a:centos:centos:webkitgtk4-plugin-process-gtk2, p-cpe:/a:centos:centos:webkitgtk4-jsc, cpe:/o:debian:debian_linux:13.0, p-cpe:/a:centos:centos:webkit2gtk3-devel, cpe:/o:redhat:enterprise_linux:9, p-cpe:/a:redhat:enterprise_linux:webkitgtk4-jsc, p-cpe:/a:centos:centos:webkitgtk3, p-cpe:/a:centos:centos:webkit2gtk3-jsc-devel, p-cpe:/a:redhat:enterprise_linux:webkitgtk4-devel, p-cpe:/a:redhat:enterprise_linux:webkitgtk4, p-cpe:/a:debian:debian_linux:webkit2gtk, p-cpe:/a:redhat:enterprise_linux:webkitgtk3-devel, p-cpe:/a:redhat:enterprise_linux:webkit2gtk3-jsc, p-cpe:/a:centos:centos:webkitgtk4-devel, cpe:/o:debian:debian_linux:12.0

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: 2/11/2026

Reference Information

CVE: CVE-2026-20676