SUSE SLES15: xdg-desktop-portal / xdg-desktop-portal-devel / etc (SUSE-SU-2026:5098-1)

high Nessus Plugin ID 376962

Synopsis

The remote SUSE host is missing one or more security updates.

Description

The remote SUSE Linux SLES15 / SLES_SAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:5098-1 advisory.

- CVE-2026-40354: file deletion via symlink attack (bsc#1262045).
- CVE-2026-55888: arbitrary file access due to `SaveFiles` `files` option path traversal (bsc#1287724).
- CVE-2026-55889: drag-and-drop and copy-paste theft due to predictable `FileTransfer` key (bsc#1287725).

Tenable has extracted the preceding description block directly from the SUSE security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Update the affected xdg-desktop-portal, xdg-desktop-portal-devel and / or xdg-desktop-portal-lang packages.

See Also

https://bugzilla.suse.com/1262045

https://bugzilla.suse.com/1287724

https://bugzilla.suse.com/1287725

https://www.suse.com/security/cve/CVE-2026-40354

https://www.suse.com/security/cve/CVE-2026-55888

https://www.suse.com/security/cve/CVE-2026-55889

http://www.nessus.org/u?f15c448b

Plugin Details

Severity: High

ID: 376962

File Name: suse_SU-2026-5098-1.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 11/6/2026

Updated: 11/6/2026

Supported Sensors: Agentless Assessment, Continuous 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: Medium

Score: 5

Percentile: 92.82

CVSS v2

Risk Factor: Medium

Base Score: 5.5

Temporal Score: 4.1

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

CVSS Score Source: CVE-2026-40354

CVSS v3

Risk Factor: Medium

Base Score: 6.3

Temporal Score: 5.5

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

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

CVSS v4

Risk Factor: High

Base Score: 8.8

Threat Score: 6.7

Threat Vector: CVSS:4.0/E:U

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N

CVSS Score Source: CVE-2026-55888

Vulnerability Information

CPE: cpe:/o:novell:suse_linux:15, p-cpe:/a:novell:suse_linux:xdg-desktop-portal-devel, p-cpe:/a:novell:suse_linux:xdg-desktop-portal-lang, p-cpe:/a:novell:suse_linux:xdg-desktop-portal

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/SuSE/release, Host/SuSE/rpm-list

Exploit Ease: No known exploits are available

Patch Publication Date: 11/4/2026

Vulnerability Publication Date: 4/11/2026

Reference Information

CVE: CVE-2026-40354, CVE-2026-55888, CVE-2026-55889

SuSE: SUSE-SU-2026:5098-1