Linux Distros Unpatched Vulnerability : CVE-2026-97023

high Nessus Plugin ID 351091

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 path traversal vulnerability in Flatpak's handling of the export/bin directory during app deployment allows a malicious Flatpak app to cause deletion of attacker-chosen files outside the deployment directory when the app is installed or upgraded. In system-wide installations, the deletion is performed as root.
(CVE-2026-97023)

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: High

ID: 351091

File Name: unpatched_CVE_2026_97023.nasl

Version: 1.1

Type: Local

Agent: unix

Family: Misc.

Published: 9/29/2026

Updated: 9/29/2026

Supported Sensors: Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.5

Percentile: 51.47

CVSS v2

Risk Factor: High

Base Score: 9.4

Temporal Score: 8

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

CVSS Score Source: CVE-2026-97023

CVSS v3

Risk Factor: High

Base Score: 7.1

Temporal Score: 6.5

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

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:12.0, cpe:/o:debian:debian_linux:14.0, cpe:/o:redhat:enterprise_linux:10, cpe:/o:redhat:enterprise_linux:7, cpe:/o:redhat:enterprise_linux:8, cpe:/o:redhat:enterprise_linux:9, p-cpe:/a:centos:centos:flatpak-builder, p-cpe:/a:centos:centos:flatpak-devel, p-cpe:/a:centos:centos:flatpak-libs, p-cpe:/a:centos:centos:flatpak-selinux, p-cpe:/a:centos:centos:flatpak-session-helper, p-cpe:/a:centos:centos:flatpak, p-cpe:/a:debian:debian_linux:flatpak, p-cpe:/a:redhat:enterprise_linux:flatpak-builder, p-cpe:/a:redhat:enterprise_linux:flatpak-devel, p-cpe:/a:redhat:enterprise_linux:flatpak-libs, p-cpe:/a:redhat:enterprise_linux:flatpak-selinux, p-cpe:/a:redhat:enterprise_linux:flatpak-session-helper, p-cpe:/a:redhat:enterprise_linux:flatpak

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: 9/28/2026

Reference Information

CVE: CVE-2026-97023

Detections

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