Linux Distros Unpatched Vulnerability : CVE-2026-8556

low Nessus Plugin ID 314803

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.

- Inappropriate implementation in ANGLE in Google Chrome on Windows prior to 148.0.7778.168 allowed a remote attacker who had compromised the renderer process to leak cross-origin data via a crafted HTML page.
(Chromium security severity: High) (CVE-2026-8556)

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-2026-8556

Plugin Details

Severity: Low

ID: 314803

File Name: unpatched_CVE_2026_8556.nasl

Version: 1.8

Type: Local

Agent: unix

Family: Misc.

Published: 5/14/2026

Updated: 10/1/2026

Supported Sensors: Agentless Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 1.2

Percentile: 0.01

CVSS v3

Risk Factor: Low

Base Score: 3.1

Temporal Score: 2.9

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

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

CVSS Score Source: CVE-2026-8556

Vulnerability Information

CPE: cpe:/o:centos:centos:7, cpe:/o:redhat:enterprise_linux:7, p-cpe:/a:centos:centos:webkitgtk4-devel, p-cpe:/a:centos:centos:webkitgtk4-doc, p-cpe:/a:centos:centos:webkitgtk4-jsc-devel, p-cpe:/a:centos:centos:webkitgtk4-jsc, p-cpe:/a:centos:centos:webkitgtk4-plugin-process-gtk2, p-cpe:/a:centos:centos:webkitgtk4, p-cpe:/a:redhat:enterprise_linux:webkitgtk4-devel, p-cpe:/a:redhat:enterprise_linux:webkitgtk4-doc, p-cpe:/a:redhat:enterprise_linux:webkitgtk4-jsc-devel, p-cpe:/a:redhat:enterprise_linux:webkitgtk4-jsc, p-cpe:/a:redhat:enterprise_linux:webkitgtk4-plugin-process-gtk2, p-cpe:/a:redhat:enterprise_linux:webkitgtk4

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

Exploit Ease: No known exploits are available

Vulnerability Publication Date: 5/12/2026

Reference Information

CVE: CVE-2026-8556