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Linux Distros Unpatched Vulnerability : CVE-2026-64728

medium Nessus Plugin ID 338280

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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.

 - A permissions issue was addressed with improved validation. This issue is fixed in Safari 26.6, iOS 26.6 and iPadOS 26.6, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6, watchOS 26.6. Maliciously crafted web content may violate iframe sandboxing policy. (CVE-2026-64728)

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-2026-64728

https://security-tracker.debian.org/tracker/CVE-2026-64728

Plugin Details

Severity: Medium

ID: 338280

File Name: unpatched_CVE_2026_64728.nasl

Version: 1.2

Type: Local

Agent: unix

Family: Misc.

Published: 8/20/2026

Updated: 8/21/2026

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: Low

Score: 3

Percentile: 23.66

CVSS v2

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.7

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

CVSS Score Source: CVE-2026-64728

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 6

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

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

Vulnerability Information

CPE: cpe:/o:centos:centos:7, cpe:/o:centos:centos:8, cpe:/o:debian:debian_linux:11.0, 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:7, cpe:/o:redhat:enterprise_linux:8, cpe:/o:redhat:enterprise_linux:9, p-cpe:/a:centos:centos:libwebkit2gtk, p-cpe:/a:centos:centos:webkit2gtk3-devel, p-cpe:/a:centos:centos:webkit2gtk3-jsc-devel, p-cpe:/a:centos:centos:webkit2gtk3-jsc, p-cpe:/a:centos:centos:webkit2gtk3-plugin-process-gtk2, p-cpe:/a:centos:centos:webkit2gtk3, p-cpe:/a:centos:centos:webkitgtk3-devel, p-cpe:/a:centos:centos:webkitgtk3-doc, p-cpe:/a:centos:centos:webkitgtk3, 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:debian:debian_linux:webkit2gtk, p-cpe:/a:debian:debian_linux:wpewebkit, p-cpe:/a:redhat:enterprise_linux:libwebkit2gtk, p-cpe:/a:redhat:enterprise_linux:webkit2gtk3-devel, p-cpe:/a:redhat:enterprise_linux:webkit2gtk3-jsc-devel, p-cpe:/a:redhat:enterprise_linux:webkit2gtk3-jsc, p-cpe:/a:redhat:enterprise_linux:webkit2gtk3-plugin-process-gtk2, p-cpe:/a:redhat:enterprise_linux:webkit2gtk3, p-cpe:/a:redhat:enterprise_linux:webkitgtk3-devel, p-cpe:/a:redhat:enterprise_linux:webkitgtk3-doc, p-cpe:/a:redhat:enterprise_linux:webkitgtk3, 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/local_checks_enabled, Host/cpu, global_settings/vendor_unpatched, Host/OS/identifier

Exploit Ease: No known exploits are available

Vulnerability Publication Date: 7/27/2026

Reference Information

CVE: CVE-2026-64728