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CentOS Linux 7 [TuxCare] Security Update: flatpak / flatpak-builder / flatpak-devel / flatpak-libs (CENTOS7:CLSA-2026:1792770859)

high Nessus Plugin ID 372118

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Synopsis

The CentOS Linux host is missing one or more security updates.

Description

The CentOS Linux 7 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS7:CLSA-2026:1792770859 advisory.

 - 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 has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Update the affected packages based on the guidance in TuxCare advisory CENTOS7:CLSA-2026:1792770859.

See Also

https://cve.tuxcare.com/els/releases/CLSA-2026:1792770859

http://www.nessus.org/u?ca23f77e

Plugin Details

Severity: High

ID: 372118

File Name: tuxcare_centos_7_CLSA-2026-1792770859.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 10/26/2026

Updated: 10/26/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.5

Percentile: 51.48

Vendor

Vendor Severity: Important

CVSS v2

Risk Factor: High

Base Score: 8.5

Temporal Score: 6.3

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

CVSS Score Source: CVE-2026-97023

CVSS v3

Risk Factor: High

Base Score: 7.1

Temporal Score: 6.2

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:O/RC:C

Vulnerability Information

Required KB Items: Host/local_checks_enabled, Host/CentOS/release, Host/CentOS/rpm-list, Host/OS/extended-third-party

Exploit Ease: No known exploits are available

Patch Publication Date: 10/23/2026

Vulnerability Publication Date: 9/28/2026

Reference Information

CVE: CVE-2026-97023

CLSA: 2026:1792770859