Linux Distros Unpatched Vulnerability : CVE-2026-86469

medium Nessus Plugin ID 343499

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 flaw was found in GLib2. When g_file_replace() is used with G_FILE_CREATE_REPLACE_DESTINATION and creating the .goutputstream-XXXXXX temporary file fails, the library unlinks the destination and recreates it without exclusive creation or symlink protection. A local attacker who can write to the destination directory can win that race and redirect the write to another file. (CVE-2026-86469)

Note that Nessus relies on the presence of the package as reported by the vendor.

Solution

There is no known solution at this time.

Plugin Details

Severity: Medium

ID: 343499

File Name: unpatched_CVE_2026_86469.nasl

Version: 1.2

Type: Local

Agent: unix

Family: Misc.

Published: 9/7/2026

Updated: 9/7/2026

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

Vulnerability Information

CPE: 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:centos:centos:glib2-devel, p-cpe:/a:centos:centos:glib2-doc, p-cpe:/a:centos:centos:glib2-fam, p-cpe:/a:centos:centos:glib2-static, p-cpe:/a:centos:centos:glib2-tests, p-cpe:/a:centos:centos:glib2, p-cpe:/a:centos:centos:mingw-glib2, p-cpe:/a:centos:centos:mingw32-glib2-static, p-cpe:/a:centos:centos:mingw32-glib2, p-cpe:/a:centos:centos:mingw64-glib2-static, p-cpe:/a:centos:centos:mingw64-glib2, p-cpe:/a:debian:debian_linux:glib2.0, p-cpe:/a:redhat:enterprise_linux:glib2-devel, p-cpe:/a:redhat:enterprise_linux:glib2-doc, p-cpe:/a:redhat:enterprise_linux:glib2-fam, p-cpe:/a:redhat:enterprise_linux:glib2-static, p-cpe:/a:redhat:enterprise_linux:glib2-tests, p-cpe:/a:redhat:enterprise_linux:glib2, p-cpe:/a:redhat:enterprise_linux:mingw-glib2, p-cpe:/a:redhat:enterprise_linux:mingw32-glib2-static, p-cpe:/a:redhat:enterprise_linux:mingw32-glib2, p-cpe:/a:redhat:enterprise_linux:mingw64-glib2-static, p-cpe:/a:redhat:enterprise_linux:mingw64-glib2

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: 9/7/2026

Reference Information

CVE: CVE-2026-86469

Detections

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